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    NCERT Exemplar Class 12 Chemistry Solutions Chapter 7 p block elements

    Edited By Sumit Saini | Updated on Sep 16, 2022 05:37 PM IST | #CBSE Class 12th

    NCERT exemplar Class 12 Chemistry solutions chapter 7 is one of the most important chapters from the examination point of view. The experts in this field who have immense and thorough knowledge in this field have prepared the NCERT exemplar Class 12 Chemistry chapter 7 solutions to help the students with all the required information. To answer the questions, the experts have used simple language so that the students will understand it easily. The students can refer to NCERT exemplar Class 12 Chemistry chapter 7 solutions to get the best learning experience. NCERT exemplar Class 12 Chemistry solutions chapter 6 pdf download is useful to access it offline.

    Also, check - NCERT Solutions for Class 12, other subjects

    NCERT Exemplar Class 12 Chemistry Solutions Chapter 7: MCQ (Type 1)

    Question:1

    On addition of conc. \text {H}_{2}\text {SO}_{4} to a chloride salt, colourless fumes are evolved but in case of an iodide salt, violet fumes come out. This is because
    (i) \text {H}_{2}\text {SO}_{4} reduces \text {HI to I}_{2}
    (ii) \text {HI} is of violet colour
    (iii) \text {HI} gets oxidised to \text {I}_{2}
    (iv) \text {HI} changes to \text {HIO}_{3}
    Answer:

    The answer is the option (iii). When concentrated \text {H}_{2}\text {SO}_{4} is added to iodine salt, HI, which is a strong reducing agent, is formed. During the reaction, it is oxidized to \text {I}_{2} , which is violet in colour.
    \text {2NaCl + H}_{2}\text {SO}_{4}\rightarrow \text {Na}_{2}\text {SO}_{4}+\text {2HCl}
    In case of iodine the halogen acid \text {HI} obtained reduces \text {H}_{2}\text {SO}_{4} to \text {SO}_{2} and itself is oxidised to free iodine.
    \text {2NaI + H}_{2}\text {SO}_{4}\rightarrow \text {Na}_{2}\text {SO}_{4}+ \text {2HI}\overset{\text {H}_{2}\text {SO}_{4}}{\rightarrow} \text {2H}_{2}\text {O + SO}_{2}+\text {I}_{2}

    Question:2

    In qualitative analysis when \text {H}_{2}\text {S} is passed through an aqueous solution of salt acidified with dil.\text {HCl}, a black precipitate is obtained. On boiling the precipitate with dil. \text {HNO}_{3}, it forms a solution of blue colour. Addition of excess of aqueous solution of ammonia to this solution gives _________.
    (i) a deep blue precipitate of \text {Cu(OH)}_{2}
    (ii) a deep blue solution of [Cu(NH_{3})_{4}]^{2+}
    (iii) a deep blue solution of Cu(NO_{3})_{2}
    (iv) a deep blue solution of Cu(OH)_{2}.Cu(NO_{3})_{2}
    Answer:

    The answer is the option (ii). Black precipitate of copper sulphide is formed on passing H_{2}S through acidified solution of salt. On boiling with dilute HNO_{3}, the precipitate gives blue colour of copper nitrate. On addition of excess aqueous solution of ammonia, deep blue coloured compound is found. The reactions involved are:
    Cu^{2+}+H_{2}S\rightarrow CuS (black)+2H^{+}
    CuS+dil.HNO_{3}\rightarrow Cu\left ( NO_{3} \right )_{2}
    Cu\left ( NO_{3} \right )_{2}+4NH_{3}\rightarrow \left [ Cu\left ( NH_{3} \right )_{4} \right ]^{2+}(Deep\; blue)

    Question:3

    In a cyclotrimetaphosphoric acid molecule, how many single and double bonds are present?
    (i) 3 double bonds; 9 single bonds
    (ii) 6 double bonds; 6 single bonds
    (iii) 3 double bonds; 12 single bonds
    (iv) Zero double bonds; 12 single bonds

    Answer:

    The answer is the option (i) 3 double bonds; 9 single bonds
    In Cyclotrimetaphosphoric acid, there are 3 double bonds and 9 single bonds as present

    Question:4

    Which of the following elements can be involved in p\pi -d\pi bonding?
    (i) Carbon
    (ii) Nitrogen
    (iii) Phosphorus
    (iv) Boron
    Answer:

    The answer is the option (iii) Phosphorus
    The involvement of phosphorous in pπ-dπ bonding is due to presence of vacant d orbitals. The elements C, N, and B do not have vacant d orbitals.

    Question:5

    Which of the following pairs of ions are isoelectronic and isostructural?
    (i) CO_{3}^{2-}, NO^{-}_{3}
    (ii) ClO_{3}^{-} , CO_{3}^{2-}
    (iii) SO_{3}^{2-},NO^{-}_{3}
    (iv) ClO^{-}_{3} ,SO_{3}^{2-}
    Answer:

    The answer is the option (i). The number of electrons in both the isoelectronic species is 32 and they exhibit sp^{2} hybridisation and thus trigonal planar structure.

    Question:6

    Affinity for hydrogen decreases in the group from fluorine to iodine. Which of the halogen acids should have the highest bond dissociation enthalpy?
    (i) HF
    (ii) HCl
    (iii) HBr
    (iv) HI
    Answer:

    The answer is the option (i).
    On moving down the group, there is an increase in the atomic radii and a decrease in bond dissociation enthalpy. That is why; HF should have the highest bond dissociation enthalpy.

    Question:7

    Bond dissociation enthalpy of E-H \left ( E = element \right ) bonds are given below. Which of the compounds will act as the strongest reducing agent?

    Compound
    \Delta _{diss} \left ( E-H \right )/kJ\; mol^{-1}

    NH_{3}
    389

    PH_{3}
    322

    AsH_{3}
    297

    SbH_{3}

    255

    (i) NH_{3}
    (ii) PH_{3}
    (iii) AsH_{3}
    (iv) SbH_{3}

    Answer:

    The answer is the option (iv). The bond dissociation enthalpy decreases down the group. SbH_{3} has the least bond enthalpy and thus acts as the strongest reducing agent.

    Question:8

    On heating with concentrated \text {NaOH} solution in an inert atmosphere of \text {CO}_{2}, white phosphorus gives a gas. Which of the following statement is incorrect about the gas?
    (i) It is highly poisonous and has smelled like rotten fish.
    (ii) It’s a solution in water decomposes in the presence of light.
    (iii) It is more basic than \text {NH}_{3}
    (iv) It is less basic than \text {NH}_{3}
    Answer:

    The answer is the option (c) P_{4}+3NaOH+3H_{2}O\rightarrow PH_{3} \left ( Phosphine \right )+3NaH_{2}PO_{2}
    PH_{3} is less basic than NH_{3}

    Question:9

    Which of the following acids forms three series of salts?
    (i) H_{3}PO_{2}
    (ii) H_{3}BO_{3}
    (iii) H_{3}PO_{4}
    (iv) H_{3}PO_{3}
    Answer:

    The answer is the option (iii) H_{3}PO_{4}
    There are 3 ionisable H-atoms in H_{3}PO_{4} as it has 3- OH groups. Thus, it forms three series of salts are as follows: .
    NaH_{2}PO_{4}, NaHPO_{4}\; and \; Na_{3}PO_{4}.

    Question:10

    Strong reducing behaviour of H_{3}PO_{2} is due to
    (i) The low oxidation state of phosphorus
    (ii) Presence of two -OH groups and one P-H bond
    (iii) Presence of one -OH group and two P-H bonds
    (iv) High electron gain enthalpy of phosphorus

    Answer:

    The answer is the option (iii). In the monobasic acid H_{3}PO_{2}, there are two P-H bonds that impart reducing character to the acid.

    Question:11

    On heating lead, nitrate forms oxides of nitrogen and lead. The oxides formed are ______.
    (i) N_{2}O,PbO
    (ii) NO_{2},PbO
    (iii) NO,PbO
    (iv) NO,PbO_{2}
    Answer:

    The answer is the option (ii) 2Pb \left ( NO_{3} \right )_{2}\rightarrow 2PbO+4NO_{2}+O_{2}

    Question:12

    Which of the following elements does not show allotropy?
    (i) Nitrogen
    (ii) Bismuth
    (iii) Antimony
    (iv) Arsenic
    Answer:

    The answer is the option (i). Nitrogen has weak N – N single bond because of high inter-electronic repulsion of non-bonding electrons. This is why, nitrogen does not exhibit allotropy.

    Question:13

    Maximum covalency of nitrogen is ______________.
    (i) 3
    (ii) 5
    (iii) 4
    (iv) 6

    Answer:

    The answer is the option (iii). Maximum covalency of nitrogen is four as it cannot extend its valency beyond four \left [ NH_{4},R_{4}N \right ] due to absence of vacant d orbitals.

    Question:14

    Which of the following statements is wrong?
    (i) Single N-N bond is stronger than the single P-P bond.
    (ii) PH_{3} can act as a ligand in the formation of a coordination compound with transition elements.
    (iii) NO_{2} is paramagnetic.
    (iv) Covalency of nitrogen in N_{2}O_{5} is four
    Answer:

    The answer is the option (i).Single P-P bond is stronger than single N-N bond, however, naturally occurring nitrogen forms p(pi)-p(pi) multiple bonds and becomes much more stable than phosphorous.

    Question:15

    A brown ring is formed in the ring test for NO_{3}^{-} ion. It is due to the formation of
    (i) \left [ Fe\left ( H_{2}O \right )_{5} \left ( NO \right ) \right ]^{2+}
    (ii) FeSO_{4}.NO_{2}
    (iii) \left [Fe\left ( H_{2}O \right )_{4} \left ( NO \right )_{2} \right]^{2+}
    (iv) FeSO_{4}.HNO_{3}

    Answer:

    The answer is the option (i). On addition of freshly prepared solution of FeSO_{4} in a NO_{3}^{-} ion containing solution, a brown coloured complex is formed. This is also known as brown ring test of nitrate.
    NO_{3}^{-}+3Fe^{2+}+4H^{+}\rightarrow NO+3Fe^{3+}+2H_{2}O
    \left [ Fe\left ( H_{2}O \right )_{6} \right ]^{2+}+NO\rightarrow \left [ Fe\left ( H_{2}O \right )_{5}\left ( NO \right ) \right ]^{2+}\left ( Brown\; ring \right )+H_{2}O
    Hence, 2 moles of NO are produced from 2 moles of ammonia.

    Question:16

    Elements of group-15 form compounds in +5 oxidation state. However, bismuth forms only one well characterised compound in +5 oxidation state. The compound is
    (i) Bi_{2}O_{5}
    (ii) BiF_{5}
    (iii) BiCl_{5}
    (iv) Bi_{2}S_{5}
    Answer:

    The answer is the option (ii). Due to inert pair effect, bismuth generally exhibits +3 oxidation state. However, due to the small size and high electronegativity of the fluoride ion it forms the compound BiF_{3}.

    Question:17

    On heating ammonium dichromate and barium azide separately we get
    (i) N_{2} in both cases
    (ii) N_{2} with ammonium dichromate and NO with barium azide
    (iii) N_{2}O with ammonium dichromate and N_{2} with barium azide
    (iv) N_{2}O with ammonium dichromate and NO_{2} with barium azide
    Answer:

    The answer is the option (i)
    \left ( NH_{4} \right )_{2}Cr_{2}O_{7}\rightarrow N_{2}+Cr_{2}O_{3}+4H_{2}O
    Ba \left ( N_{3} \right )_{2}\rightarrow 3N_{2}+Ba

    Question:18

    In the preparation of HNO_{3}, we get NO gas by catalytic oxidation of ammonia. The moles of NO produced by the oxidation of two moles of NH_{3} will be ______.
    (i) 2
    (ii) 3
    (iii) 4
    (iv) 6
    Answer:

    The answer is the option (i). In the process of preparation of nitric acid, catalytic oxidation of 2 moles of ammonia produces 2 moles of NO.
    4NH_{3}+5O_{2}\overset{\Delta }{\rightarrow}4NO \left ( g \right )+6H_{2}O \left ( l \right )
    Hence, 2 moles of ammonia will produce 2 moles of NO.

    Question:19

    The oxidation state of a central atom in the anion of compound NaH_{2}PO_{2} will be ______.
    (i) +3
    (ii) +5
    (iii) +1
    (iv) –3
    Answer:

    The answer is the option (c) NaH_{2}PO_{2} :\left ( +1 \right )+\left ( +1 \times 2 \right )+x+\left ( -2 \times 2 \right )=0
    x=+1

    Question:20

    Which of the following is not tetrahedral in shape ?
    (i) NH^{+}_{4}
    (ii) SiCl_{4}
    (iii) SF_{4}
    (iv) SO_{4}^{2-}
    Answer:

    The answer is the option (iii). SF_{4} is not tetrahedral in shape. It is a see saw structure.

    Question:21

    Which of the following are peroxoacids of sulphur?
    (i) H_{2}SO_{5}\; and \; H_{2}S_{2}O_{8}
    (ii) H_{2}SO_{5}\; and \; H_{2}S_{2}O_{7}
    (iii) H_{2}S_{2}O_{7} \; and \; H_{2}S_{2}O_{8}
    (iv) H_{2}S_{2}O_{6} \; and \; H_{2}S_{2}O_{7}
    Answer:

    The answer is the option (i).Peroxoacids of sulphur should contain one -O-O- bond as shown below

    Question:22

    Hot conc.H_{2}SO_{4} acts as a moderately strong oxidising agent. It oxidises both metals and nonmetals. Which of the following element is oxidised by conc. H_{2}SO_{4} into two gaseous products?
    (i) Cu
    (ii) S
    (iii) C
    (iv) Zn
    Answer:

    The answer is the option (c) \left [ H_{2}SO_{4}\rightarrow H_{2}O+SO_{2}+O \right ]\times 2
    C+2O\rightarrow CO_{2}
    C+2H_{2}SO_{4}\rightarrow CO_{2}+2SO_{2}+2H_{2}O
    CO_{2} and SO_{2} are two gaseous products formed by oxidation of C by H_{2}SO_{4}

    Question:23

    A black compound of manganese reacts with a halogen acid to give greenish yellow gas. When an excess of this gas reacts with NH_{3} an unstable trihalide is formed. In this process the oxidation state of nitrogen changes from _________.
    (i) – 3 to +3
    (ii) – 3 to 0
    (iii) – 3 to +5
    (iv) 0 to – 3
    Answer:

    The answer is the option (i). MnO_{2}+4HCl\rightarrow MnCl_{2}+2H_{2}O+Cl (greenish yellow gas)
    on reaction of excess of Cl_{2} with NH_{3} we obtained NCl_{3} and HCl.
    NH_{3}+3Cl_{2}\rightarrow NCl_{3}+3HCl
    O.S. (-3) O.S.(+3)

    Question:24

    In the preparation of compounds of Xe, Bartlett had taken O_{2}^+Pt F^{-}_{6} as a base compound. This is because
    (i) both O_{2} and Xe has the same size.
    (ii) both O_{2} and Xe has the same electron gain enthalpy.
    (iii) both O_{2} and Xe has almost same ionisation enthalpy.
    (iv) both Xe and O_{2} are gases
    Answer:

    The answer is the option (iii). The ionization enthalpy of O_{2} is nearly equal to that of Xe, because of which Barlett chose O_{2} compounds as base.

    Question:25

    In solid state PCl_{5} is a _________.
    (i) covalent solid
    (ii) octahedral structure
    (iii) ionic solid with \left [ PCl_{6} \right ]^{+} octahedral and \left [ PCl_{4} \right ]^{-} tetrahedra
    (iv) ionic solid with \left [ PCl_{4} \right ]^{+}tetrahedral and \left [ PCl_{6} \right ]^{-} octahedral
    Answer:

    The answer is the option (iv). Structure of PCl_{5} in solid state

    Question:26

    Reduction potentials of some ions are given below. Arrange them in decreasing order of oxidising power.

    Ion
    Reduction potential E^{\ominus }/V

    ClO_{4}^{-}
    E^{\ominus }=1.19V

    IO_{4}^{-}
    E^{\ominus }=1.65V

    BrO_{4}^{-}
    E^{\ominus }=1.74V

    (i) ClO_{4}^{-} > IO_{4}^{-} > BrO_{4}^{-}
    (ii) IO_{4}^{-} > BrO_{4}^{-}>ClO_{4}^{-}
    (iii) BrO_{4}^{-} > IO_{4}^{-} >ClO_{4}^{-}
    (iv) BrO_{4}^{-} > ClO_{4}^{-} >IO_{4}^{-}

    Answer:

    The answer is the option (iii).A higher reduction potential means that there is greater tendency to get reduced. Therefore, the order of oxidizing power is as follows
    BrO_{4}^{-} > IO_{4}^{-} >ClO_{4}^{-}

    Question:27

    Which of the following is isoelectronic pair?
    (i) ICl_{2},ClO_{2}
    (ii) BrO_{2}^{-}, BrF_{2}^{+}
    (iii) ClO_{2}, BrF
    (iv) CN^{-}, O_{3}
    Answer:

    The answer is the option (ii). Isoelectronic pair have same number of electrons
    (i)ICl_{2}=53+2\times 17=87
    ClO_{2}=17+16=33
    (ii)BrO_{2}^{-}=35+2\times 8+1=52
    BrF_{2}^{+}=35+9\times2-1 = 52
    (iii)\; ClO_{2}=17+16=33
    BrF=35+9=44
    (iv)CN^{-}=6+7+1=14
    O_{3}=8\times 3=24
    Hence, option b is correct.

    NCERT Exemplar Class 12 Chemistry Solutions Chapter 7: MCQ (Type 2)

    Question:28

    If chlorine gas is passed through a hot NaOH solution, two changes are observed in the oxidation number of chlorine during the reaction. These are ________ and _________.
    (i) 0 to +5
    (ii) 0 to +3
    (iii) 0 to –1
    (iv) 0 to +1
    Answer:

    The answer is the option (i) and (iii). The oxidation state changes from 0 to +5 and 0 to -1 respectively.

    Question:29

    Which of the following options are not in accordance with the property mentioned against them?
    (i) F_{2}> Cl_{2}> Br_{2}> I_{2} Oxidising power.
    (ii) MI > MBr > MCl > MF Ionic character of metal halide.
    (iii) F_{2}> Cl_{2}> Br_{2}> I_{2} Bond dissociation enthalpy.
    (iv) HI < HBr < HCl < HF Hydrogen-halogen bond strength.
    Answer:

    The answer is the option (ii, iii) The correct order of bond dissociation enthalpy is Cl_{2}>Br_{2}>F_{2}>I_{2}
    There is an increase in the ionic character of metal halides with the electronegativity of halogen
    MI > MBr > MCI > MF

    Question:30

    Which of the following is correct for P4 the molecule of white phosphorus?
    (i) It has 6 lone pairs of electrons.
    (ii) It has six P–P single bonds.
    (iii) It has three P–P single bonds.
    (iv) It has four lone pairs of electrons.
    Answer:

    The answer is the option (ii, iv) Structure of P_{4} molecule can be represented as

    There are 4 lone pairs of electrons over each P-atom. It has six P – P single bond.

    Question:31

    Which of the following statements are correct?
    (i) Among halogens, radius ratio between iodine and fluorine is maximum.
    (ii) Leaving F-F bond, all halogens have weaker X-X bond than X-X' bond in interhalogens.
    (iii) Among interhalogen compounds, the maximum number of atoms are present in iodine fluoride.
    (iv) Interhalogen compounds are more reactive than halogen compounds.
    Answer:

    The answer is the option (i, iii, iv)
    Iodine is the largest halogen, while fluorine is the smallest. \frac{R_{Iodine}}{R_{fluorine}} is thus the maximum. A-B bond in interhalogen compound is weaker than A-A bond in halogen compounds; this also means that interhalogen compounds are more reactive.

    Question:32

    Which of the following statements are correct for SO_{2} gas?
    (i) It acts as a bleaching agent in moist conditions.
    (ii) Its molecule has linear geometry.
    (iii) Its dilute solution is used as a disinfectant.
    (iv) It can be prepared by the reaction of dilute H_{2}SO_{4} with metal sulphide.
    Answer:

    The answer is the option (i, iii). SO_{2} is used as a bleaching agent in presence of moisture because of the reducing nature of SO_{2}
    SO_{2}+2H_{2}O\rightarrow H_{2}SO_{4}+2H
    It is also used as a preservative, disinfectant and anti-chlor.

    Question:33

    Which of the following statements are correct?
    (i) All the three N—O bond lengths in HNO_{3} are equal.
    (ii) All P—Cl bond lengths in PCl_{5} molecule in the gaseous state are equal.
    (iii) P_{4} molecule in white phosphorus have angular strain therefore white phosphorus is very reactive.
    (iv) PCl is ionic in the solid-state in which cation is tetrahedral and the anion is octahedral.
    Answer:

    The answer is the option (iii, iv).
    (i) All the N – O bond in HNO_{3} are not of the same bond length.
    (ii) In gaseous state, all P – Cl bond lengths in PCl_{5} molecule are not equal. Axial bond is longer than equatorial bond.
    (iii) White phosphorous is more reactive than the other solid phases because of angular strain in the P_{4} molecule under normal conditions.
    (iv) In Solid state PCl_{5} exists as ionic solid in which cation is tetrahedral and anion is octahedral.
    Cation-\left [ PCl_{4} \right ]^{+}\; \; \; \; \; \; Anion-\left [ PCl_{6} \right ]^{-}

    Question:34

    Which of the following orders are correct as per the properties mentioned against each?
    (i) As_{2}O_{3}<SiO_{2}<P_{2}O_{3}<SO_{2} Acid strength.
    (ii) AsH_{3}<PH_{3}<NH_{3} Enthalpy of vaporization.
    (iii) S < O < Cl < F More negative electron gain enthalpy.
    (iv) H_{2}O >H_{2}S>H_{2}Se>H_{2}Te Thermal stability.

    Answer:

    The answer is the option (i, iv) There is an increase in the acidic strength of the group as we move up the group or left to right along a period. As we move down the group, thermal stability of hydrides decreases.

    Question:35

    Which of the following statements are correct?
    (i) S–S bond is present in H_{2}S_{2}O_{6}
    (ii) In peroxosulphuric acid \left ( H_{2}SO_{5} \right ) sulphur is in +6 oxidation state.
    (iii) Iron powder along with Al_{2}O_{3} and K_{2}O is used as a catalyst in the preparation of NH_{3} by Haber’s process.
    (iv) Change in enthalpy is positive for the preparation of SO_{3} by catalytic oxidation of SO_{2}
    Answer:

    The answer is the option (i, ii)
    In H_{2}SO_{5}, there is a peroxo-linkage.

    O in peroxide linkage has oxidation state - 1

    Question:36

    In which of the following reactions conc. H_{2}SO_{4} is used as an oxidising reagent?
    (i) CaF_{2}+ H_{2}SO_{4} \rightarrow CaSO_{4}+ 2HF
    (ii) 2HI + H_{2}SO_{4} \rightarrow I_{2} + SO_{2}+ 2H_{2}O
    (iii) Cu + H_{2}SO_{4} \rightarrow CuSO_{4} + SO_{2}+ 2H_{2}O
    (iv) NaCl + H_{2}SO_{4} \rightarrow NaHSO_{4} + HCl
    Answer:

    The answer is the option (ii, iii). Amongst the given options, (ii). and (iii). represent oxidizing behaviour of H_{2}SO_{4}. The oxidizing agent reduces itself in the process. In option b, it oxidises HI and gets reduced to SO_{2} .Here,

    Question:37

    Which of the following statements are true?
    (i) The only type of interactions between particles of noble gases is due to weak dispersion forces.
    (ii) Ionisation enthalpy of molecular oxygen is very close to that of xenon.
    (iii) Hydrolysis of XeF6 is a redox reaction.
    (iv) Xenon fluorides are not reactive.
    Answer:

    The answer is the option (i, ii). Weak dispersion forces are responsible for attraction in noble gases. Ionization enthalpy of molecular oxygen and xenon are very similar. Also, Xenon fluorides are reactive in nature.

    NCERT Exemplar Class 12 Chemistry Solutions Chapter 7: Short Answer Type

    Question:38

    In the preparation of H_{2}SO_{4} by Contact Process, why is SO_{3} not absorbed directly in water to form H_{2}SO_{4} ?
    Answer:

    Formation of acid fog takes place which is difficult to condense.

    Question:40

    Write the structure of pyrophosphoric acid.
    Answer:

    H_{4}P_{2}O_{7} is pyrophosphoric acid. Its structure is

    Question:41

    PH_{3} forms bubbles when passed slowly in water but NH_{3} dissolves. Explain why?
    Answer:

    NH_{3} dissolves in water as it forms hydrogen bonds with water but PH_{3} cannot form hydrogen bonds with water so it escapes as gas.

    Question:42

    In PCl_{5}, phosphorus is in sp^{3}d hybridised state, but all its five bonds are not equivalent. Justify your answer with reason.
    Answer:

    PCl_{5} has a trigonal bipyramidal structure in liquid and gaseous phases.

    The 3 equatorial P–Cl bonds are equivalent whereas 2 axial bonds are longer than equatorial bonds. This is because axial bond pairs suffer more repulsion compared to the equatorial bond pairs.

    Question:43

    Why is nitric oxide paramagnetic in gaseous state but the solid obtained on cooling it is diamagnetic ?
    Answer:

    In the gaseous state, nitric oxide \left ( NO \right ) exists as a monomer having one unpaired electron as it is paramagnetic in nature.

    However, in solid state it dimerises to N_{2}O_{2} which is diamagnetic in nature.

    Question:44

    Give reason to explain why ClF_{3} exists but FCl_{3} does not exist.
    Answer:

    Though both Cl \; and \; F are halogens,F has a configuration 2s^{2}2p^{5} and doesn’t have a d-orbital. Chlorine on the other hand can undergo sp^{3}d-hybridisation, where three orbitals will have unpaired electrons as shown below. Three fluorine atoms with a single unpaired electron each can pair up with the sp^{3}d-hybridised chlorine atom.

    Question:45

    Out of H_{2}O and H_{2}S, which one has a higher bond angle and why?
    Answer:

    Due to higher electronegativity of Oxygen than Sulphur, O-H bond will have a higher electron density closer to the Oxygen atom. The two O-H bonds will repel each other more strongly than S-H bond leading to a larger bond angle in H_{2}O.

    Question:46

    SF_{6} is known but SCl_{6} is not. Why?
    Answer:

    There are two reasons as to why SF_{6} exists in nature, but SCl_{6} doesn’t:

    • Fluorine is smaller in size than Chlorine and is easily accommodated around Sulphur atom.

    • Due to higher electronegativity possessed by fluorine, it can unpair the Sulphur atom to the highest degree (where it attains the oxidation state of +6).

    Question:47

    On reaction with Cl_{2}, phosphorus forms two types of halides ‘A’ and ‘B’. Halide A is a yellowish-white powder, but halide ‘B’ is a colourless oily liquid. Identify A and B and write the formulas of their hydrolysis products.
    Answer:

    On passing dry chlorine over white phosphorus, first colourless oily phosphorus trichloride is formed. PCl_{3} again reacts with Cl_{2} and forms yellowish white powder like phosphorus pentachloride PCl_{5}

    (i)

    (ii)

    PCl_{5}

    PCl_{3}

    Yellowish

    Colorless Oily

    White Powder

    Liquid

    PCl_{3} reacts violently with water forming phosphosphorous acid \left ( H_{3}PO_{3} \right )
    PCl_{3}+3H_{2}O\rightarrow H_{3}PO_{3}+3HCl

    PCl_{5} undergoes a violent hydrolysis
    PCl_{5}+H_{2}O\rightarrow POCl_{3}+2HCl
    PCl_{5}+4H_{2}O\rightarrow H_{3}PO_{4}+5HCl

    Question:49

    Explain why the stability of oxoacids of chlorine increases in the order given below:
    HClO< HClO_{2}< HClO_{3}< HClO_{4}

    Answer:

    As number of oxygen atoms around chlorine increases, the electron density moves away from chlorine. It is so because, oxygen atoms are more electronegative than chlorine atoms.
    The stability of ions will also increase with a higher number of Oxygen atoms:
    ClO^{-}<ClO_{2}^{-}<ClO_{3}^{-}<ClO_{4}^{-}
    Thus due to increase in stability of conjugate base, acidic strength of corresponding acid increases in the following order
    HClO< HClO_{2}< HClO_{3}< HClO_{4}

    Question:50

    Explain why ozone is thermodynamically less stable than oxygen.
    Answer:

    Ozone is thermodynamically unstable with respect to oxygen because its decomposition results in liberation of heat \left ( \Delta H=-ve \right ) and increase in entropy \left ( \Delta H=+ve \right )
    2O_{3}\rightleftharpoons 3O_{2}
    These 2 factors reinforce each other resulting in large negative Gibbs free energy change \left ( \Delta G=-ve \right ) for its conversion into oxygen.
    Therefore, the high concentration of ozone can result into dangerous explosion

    Question:51

    P_{4}O_{6} reacts with water according to equation P_{4}O_{6}+6H_{2}O\rightarrow 4H_{3}PO_{3}.
    Calculate the volume of 0.1 M NaOH solution required to neutralise the acid formed by dissolving 1.1 g of P_{4}O_{6} in H_{2}O.

    Answer:

    P_{4}O_{6}+6H_{2}O\rightarrow 4H_{3}PO_{3}
    4H_{3}PO_{3}+8NaOH\rightarrow 4Na_{2}HPO_{3}+8H_{2}O (H_{3}PO_{3} can be neutralised with NaOH )
    P_{4}O_{6}(1 \; mol)+8NaOH (8\; mol)\rightarrow 4Na_{2}HPO_{3}+2H_{2}O
    Moles of P_{4}O_{6} = \frac{1.1}{220}=0.005\; mol
    Acid formed by 1 mol of P_{4}O_{6} Require 8 mol NaOH
    Acid formed by 0.005 mol of P_{4}O_{6} required =8\times 0.005=0.04\; mol
    0.1 M NaOH means 0.1 mol of NaOH is present in 1000 mL solution
    0.4 M of NaOH is present in solution =\frac{1000}{0.1}\times 0.04=400mL

    Question:53

    Name three oxoacids of nitrogen. Write the disproportionation reaction of that oxoacid of nitrogen in which nitrogen is in +3 oxidation state.

    Answer:

    The 3 oxyacids of nitrogen are:

    1. Nitric acid \left ( HNO_{3} \right )

    2. Nitrous acid \left ( HNO_{2} \right )

    3. Hyponitrous acid \left ( H_{2}N_{2}O_{2} \right )

    The disproportionation reaction wherein the nitrogen is in +3 oxidation state is:
    \\3HNO_{2}\rightarrow HNO_{3}+2NO+H_{2}O\\+3\; \; \; \; \; \; \; \; \; \; \; \; +5\; \; \; \; \; \; \; \; \; +2
    Oxidation state changes from +3 to +5 and +2

    Question:54

    Nitric acid forms an oxide of nitrogen on reaction with P_{4}O_{10}. Write the reaction involved. Also, write the resonating structures of the oxide of nitrogen formed.

    Answer:

    P_{4}O_{10}+4NHO_{3}\rightarrow 4HPO_{3}+2N_{2}O_{5}

    Reactivity: White phosphorous are more reactive compared to the Red phosphorous as it undergoes more angular strain since the bonds are angled at 60°.

    Question:55

    Phosphorus has three allotropic forms — (i) white phosphorus (ii) red phosphorus and (iii) black phosphorus. Write the difference between white and red phosphorus on the basis of their structure and reactivity.
    Answer:

    White phosphorous exists as a single molecule where the phosphorous atoms are sp^{3}-hybridised and has a tetrahedral structure with 6 P-P bonds. It is highly reactive due to the strained bond angles (60o).

    Red Phosphorous on the other hands also has a tetrahedral structure, but each tetrahedron is linked to two others as shown below. The bond angle is much more relaxed, leading to a lower reactivity than White phosphorous.

    Question:56

    Give an example to show the effect of concentration of nitric acid on the formation of oxidation product.

    Answer:

    We get different oxidation products on reaction of dilute and concentrated nitric acid with copper metals. For example, zinc with very dilute HNO_{3}\left ( 6 \; ^{o}/_{o} \right ) forms NH_{4}NO_{3}, with dilute HNO_{3}\left ( 20 \; ^{o}/_{o} \right ) forms N_{2}O and with cone. HNO_{3}\left ( 70 \; ^{o}/_{o} \right ) forms NO_{2}.
    (Very dilute) HNO_{3}:4Zn+10HNO_{3}\rightarrow 4Zn(NO_{3})_{2}+NH_{4}NO_{3}+3H_{2}O
    (Dilute) HNO_{3}:4Zn+10HNO_{3}\rightarrow 4Zn(NO_{3})_{2}+N_{2}O+5H_{2}O
    (Concentrated) HNO_{3}:Zn+HNO_{3}\rightarrow Zn(NO_{3})_{2}+2NO_{2}+2H_{2}O

    Question:57

    PCl_{5} reacts with finely divided silver on heating and a white silver salt is obtained, which dissolves on adding excess aqueous NH_{3} solution. Write the reactions involved to explain what happens.

    Answer:

    PCl_{5} reacts with finely divided silver on heating to form white silver salt (AgCl). This dissolves on addition of excess aqueous ammonia to form soluble complex.
    PCl_{5}+2Ag\rightarrow 2AgCl+PCl_{3}
    AgCl+2NH _3(aq)\rightarrow [Ag(NH_3 )_ 2]+Cl ^{-}

    Question:58

    Phosphorus forms a number of oxoacids. Out of these oxoacidsphosphinic acid has strong reducing property. Write its structure and also write a reaction showing its reducing behaviour.
    Answer:

    One of the oxoacids of phosphorous that has strong reducing property is phosphinic acid or hypophosphorus acid \left ( H_{3}PO_{2} \right ). This is due to possession of P – H bonds.

    Its reducing properties are :
    4AgNO_{3}+H_{3}PO_{2}+2H_{2}O\rightarrow 4Ag+H_{3}PO_{4}+4HNO_{3}
    2HgCl_{2}+H_{3}PO_{2}+2H_{2}O\rightarrow 2Hg+H_{3}PO_{4}+4HCl
    H_{3}PO_{2}+2H_{2}O+2Cl_{2}\rightarrow H_{3}PO_{4}+4HCl

    NCERT Exemplar Class 12 Chemistry Solutions Chapter 7: Matching Type

    Question:59

    Match the compounds given in Column I with the hybridization and shape given in Column II and mark the correct option.

    Column I

    Column II

    (A)

    \text {XeF}_{6}

    (1)

    \text {sp}^{3}\text {d}^{2} - distorted octahedral

    (B)

    \text {XeO}_{3}

    (2)

    \text {sp}^{3}\text {d}^{2}-square planar

    (C)

    \text {XeOF}_{4}

    (3)

    \text {sp}^{3} - pyramidal

    (D)

    \text {XeF}_{4}

    (4)

    \text {sp}^{3}\text {d}^{2}-square pyramidal

    (a) A (1) B(3) C(4) D(2)
    (b) A (1) B(2) C(4) D(3)
    (c) A (4) B(3) C(1) D(2)
    (d) A (4) B(1) C(2) D(3)

    Answer:

    (a) (A\rightarrow 1),(B\rightarrow 3),(C\rightarrow 4),(D\rightarrow 2)

    Compound

    Hybridisation

    (i).

    (1)

    (\text {sp}^{3}\text {d}^{2})- distorted octahedral

    (ii).

    (2)

    (\text {sp}^{3}) - pyramidal

    (iii).

    (3)

    (\text {sp}^{3}\text {d}^{2})- square pyramidal

    (iv).

    (4)

    (\text {sp}^{3}\text {d}^{2}) - square planar

    Question:60

    Match the formulas of oxides given in Column I with the type of oxide given in Column II and mark the correct option.

    Column I

    Column II

    (A)

    Pb_{3}O_{4}

    (1)

    Neutral Oxide

    (B)

    N_{2}O

    (2)

    Acidic Oxide

    (C)

    Mn_{2}O_{7}

    (3)

    Basic Oxide

    (D)

    Bi_{2}O_{3}

    (4)

    Mixed Oxide

    (a) A (1) B(2) C(3) D(4)
    (b) A (4) B(1) C(2) D(3)
    (c) A (3) B(2) C(4) D(1)
    (d) A (4) B(3) C(1) D(2)

    Answer:

    (b). (A \rightarrow 4), (B \rightarrow 1), (C \rightarrow 2), (D \rightarrow 3)

    Formulas

    Type of Oxide

    (i)

    Pb_{3}O_{4} (PbO.Pb_{2}O_{3})

    (4)

    Mixed Oxide

    (ii)

    N_{2}O

    (1)

    Neutral Oxide

    (iii)

    Mn_{2}O_{7}

    (2)

    Acidic Oxide

    (iv)

    Bi_{2}O_{3}

    (3)

    Basic Oxide

    Question:61

    Match the items of Column I and Column II and mark the correct option.

    Column I

    Column II

    (A)

    \text {H}_{2}\text {SO}_{4}

    (1)

    Highest electron gain enthalpy

    (B)

    \text {CCl}_{3}\text {NO}_{2}

    (2)

    Chalcogen

    (C)

    \text {Cl}_{2}

    (3)

    Tear gas

    (D)

    \text {Sulphur}

    (4)

    storage batteries

    (a) A (4) B(3) C(1) D(2)
    (b) A (3) B(4) C(1) D(2)
    (c) A (4) B(1) C(2) D(3)
    (d) A (2) B(1) C(3) D(4)

    Answer:

    (a). (A \rightarrow 4), (B \rightarrow 3), (C \rightarrow 1), (D \rightarrow 2)

    Question:62

    Match the species given in Column I with the shape given in Column II and mark the correct option.

    Column I

    Column II

    (A)

    \text {SF}_{4}

    (1)

    Tetrahedral

    (B)

    \text {BrF}_{3}

    (2)

    Pyramidal

    (C)

    \text {BrO}_{3}^{-}

    (3)

    Sea-Saw shaped

    (D)

    \text {NH}_{4}^{+}

    (4)

    Bent-T-shaped

    (a) A (3) B(2) C(1) D(4)
    (b) A (3) B(4) C(2) D(1)
    (c) A (1) B(2) C(3) D(4)
    (d) A (1) B(4) C(3) D(2)

    Answer:

    (b) (A \rightarrow3), (B \rightarrow 4), (C \rightarrow 2), (D \rightarrow 1)

    Species

    Shape

    Structure

    \text {SF}_{4}

    Sea-Saw shaped

    \text {BrF}_{3}

    Bent-T-shaped

    \text {BrO}_{3}^{-}

    Pyramidal

    \text {NH}_{4}^{+}

    Tetrahedral

    Question:63

    Match the items of Column I and Column II and mark the correct option.

    Column I

    Column II

    (A)

    Its partial hydrolysis does not change oxidation state of central atom

    (1)

    \text {He}

    (B)

    It is used in modern diving apparatus

    (2)

    \text {XeF}_{6}

    (C)

    It is used to provide inert atmosphere for filling electrical bulbs

    (3)

    \text {XeF}_{4}

    (D)

    Its central atom is in \text {sp}^{3}\text {d}^{2} hybridisation

    (4)

    \text {Ar}

    (a) A (1) B(4) C(2) D(3)
    (b) A (1) B(2) C(3) D(4)
    (c) A (2) B(1) C(4) D(3)
    (d) A (1) B(3) C(2) D(4)

    Answer:

    (c). (A \rightarrow 2), (B \rightarrow 1), (C \rightarrow 4), (D \rightarrow 3)

    1. Oxidation state of \text {Xe} is unaffected by partial hydrolysis of \text {XeF}_{6}

    2. He is utilized in the modern driving apparatus.

    3. Air is used for filling electrical bulbs to provide inert atmosphere.

    4. Xe has 4 bond pair and 2 lone pair and a hybridisation state of \text {sp}^{3}\text {d}^{2} in \text {XeF}_{4}

    NCERT Exemplar Class 12 Chemistry Solutions Chapter 7: Assertion and Reason Type

    Question:64

    In the following question, a statement of Assertion (i) followed by a statement of Reason (R) is given. Choose the correct option out of the following choices:
    Assertion (i):N_{2} is less reactive than P_{4}
    Reason (R): Nitrogen has more electron gain enthalpy than phosphorus.

    (i) Both Assertion and Reason are correct statements and Reason is the correct explanation of Assertion.
    (ii) Both Assertion and Reason are correct statements but Reason is not the correct explanation of Assertion.
    (iii) Assertion is correct but Beason is wrong.
    (iv) Assertion is wrong but Reason is correct.
    (v) Both Assertion and Reason are wrong.
    Answer:

    The answer is the option (iii). Nitrogen has a higher electron gain enthalpy than Phosphorous. N-N atoms in Nitrogen are bonded by triple bond, whereas Phosphorous atoms are bonded by single P-P bond, due to which Nitrogen has a high bond dissociation energy and is less reactive.

    Question:65

    In the following question, a statement of Assertion (i) followed by a statement of Reason (R) is given. Choose the correct option out of the following choices:
    Assertion (i):HNO_{3} makes iron passive.
    Reason (R):HNO_{3} forms a protective layer of ferric nitrate on the surface of iron.

    (i) Both Assertion and Reason are correct statements and Reason is the correct explanation of Assertion.
    (ii) Both Assertion and Reason are correct statements but Reason is not the correct explanation of Assertion.
    (iii) Assertion is correct but Beason is wrong.
    (iv) Assertion is wrong but Reason is correct.
    (v) Both Assertion and Reason are wrong.
    Answer:

    The answer is the option (iii). Iron attains passivity due to formation of a thin layer of oxide.

    Question:66

    In the following question, a statement of Assertion (i) followed by a statement of Reason (R) is given. Choose the correct option out of the following choices:
    Assertion (i):HI cannot be prepared by the reaction of KI with concentrated H_{2}SO_{4}.
    Reason (R):HI has lowest H – X bond strength among halogen acids.

    (i) Both Assertion and Reason are correct statements and Reason is the correct explanation of Assertion.
    (ii) Both Assertion and Reason are correct statements but Reason is not the correct explanation of Assertion.
    (iii) Assertion is correct but Beason is wrong.
    (iv) Assertion is wrong but Reason is correct.
    (v) Both Assertion and Reason are wrong.
    Answer:

    The answer is the option (ii). Though correct, both the statements are independent of each other.

    Question:67

    In the following question, a statement of Assertion (i) followed by a statement of Reason (R) is given. Choose the correct option out of the following choices:
    Assertion (i): Both rhombic and monoclinic sulphur exist as S_{8} but oxygen exists as O_{2}.
    Reason (R): Oxygen forms p\pi -p\pi multiple bond due to small size and small bond length but p\pi -p\pi bonding is not possible in sulphur.

    (i) Both Assertion and Reason are correct statements and Reason is the correct explanation of Assertion.
    (ii) Both Assertion and Reason are correct statements but Reason is not the correct explanation of Assertion.
    (iii) Assertion is correct but Beason is wrong.
    (iv) Assertion is wrong but Reason is correct.
    (v) Both Assertion and Reason are wrong.
    Answer:

    The answer is the option (i). Sulphur cannot form p\pi -p\pi multiple bonds like oxygen, so it exists as S_{8}.

    Question:68

    In the following question, a statement of Assertion (i) followed by a statement of Reason (R) is given. Choose the correct option out of the following choices:
    Assertion (i):NaCl reacts with concentrated H_{2}SO_{4} to give colourless fumes with pungent smell. But on adding MnO_{2} the fumes become greenish yellow.
    Reason (R):MnO_{2} oxidises HCl to chlorine gas which is greenish yellow.

    (i) Both Assertion and Reason are correct statements and Reason is the correct explanation of Assertion.
    (ii) Both Assertion and Reason are correct statements but Reason is not the correct explanation of Assertion.
    (iii) Assertion is correct but Beason is wrong.
    (iv) Assertion is wrong but Reason is correct.
    (v) Both Assertion and Reason are wrong.
    Answer:

    The answer is the option (i). MnO_{2} is a strong oxidising agent and it oxidises colourless fumes of HCl to greenish yellow Cl_{2}

    Question:69

    In the following question, a statement of Assertion (i). followed by a statement of Reason (R) is given. Choose the correct option out of the following choices:
    Assertion (i): SF_{6} cannot be hydrolysed but SF_{4} can be.
    Reason (R): Six F atoms in SF_{6} prevent the attack of H_{2}O on sulphur atom of SF_{6} .

    (i) Both Assertion and Reason are correct statements and Reason is the correct explanation of Assertion.
    (ii) Both Assertion and Reason are correct statements but Reason is not the correct explanation of Assertion.
    (iii) Assertion is correct but Beason is wrong.
    (iv) Assertion is wrong but Reason is correct.
    (v) Both Assertion and Reason are wrong.
    Answer:

    The answer is the option (i). H_{2}O can’t react with SF_{6} because the fluorine atoms don’t allow H_{2}O to attack SF_{6}, and thus, is sterically protected.

    Introduction of NCERT Exemplar Class 12 Chemistry Solutions Chapter 7 p-Block Elements

    The chemistry of different inorganic ring systems of the p-block elements has a long and a history that dates back to the early 19th century. There are different elements of different Groups that Group 13, 14, 15, 16, 17 and 18 are called P block elements. The elements are often represented by the outer electronic configuration that are general ns2np1-6. P block elements often exist in all the three different physical states and also metals, nonmetals or metalloids.

    As per NCERT exemplar Class 12 Chemistry solutions chapter 7, P-block elements refer to the elements that exist on the right side of the periodic table. They also involve carbon, boron, oxygen, nitrogen, and different noble gases. This chapter goes around p-block elements.

    Major Subtopics in NCERT Exemplar Class 12 Chemistry Solutions Chapter 7 p-Block Elements

    • Occurrence
    • Electronic Configuration
    • Atomic and Ionic Radii
    • Ionisation Enthalpy
    • Electronegativity
    • Physical Properties
    • Chemical Properties

    ● Group 15 Elements

    ● Dinitrogen

    ● Ammonia

    ● Oxides of Nitrogen

    ● Nitric Acid

    ● Phosphorus — Allotropic Forms

    ● Phosphine

    ● Phosphorus Halides

    ● Oxoacids of Phosphorus

    ● Group 16 Elements

    ● Dioxygen

    ● Simple Oxides

    ● Ozone

    ● Sulphur — Allotropic Forms

    ● Sulphur Dioxide

    ● Oxoacids of Sulphur

    ● Sulphuric Acid

    ● Group 17 Elements

    ● Chlorine

    ● Hydrogen Chloride

    ● Oxoacids of Halogens

    ● Interhalogen Compounds

    ● Group 18 Elements

    NCERT Exemplar Class 12 Chemistry Solutions Chapter 7 p-Block Elements - Learning Outcome

    In Class 12 NCERT exemplar Chemistry solutions chapter 7 the students get to learn about the different topics and subtopics that are covered in this chapter that one needs to know and understand. The p-block elements are found on the right side of the periodic table. The p-block is the region of the periodic table that includes columns 3A to column 8A and does not include helium. Every topic in this NCERT Exemplar Class 12 Chemistry Chapter 7 Solutions are detailed and accurately explained.

    P block elements are the elements in which the last electron enters any of the three p-orbitals of their respective shells. P block elements are shiny and usually a good conductor of electricity. The uses of p block elements are mentioned here. Overall, NCERT exemplar solutions for Class 12 Chemistry chapter 7 along with giving the required information is also interesting and for all those students who want to learn about the different p block elements and work on it.

    NCERT Exemplar Class 12 Chemistry Solutions

    Important Topics in NCERT Exemplar Class 12 Chemistry Solutions Chapter 7

    - The P-block elements and its working and all the different internal and external factors are given in this chapter. All the required information regarding the P-block elements are given in the NCERT exemplar Class 12 Chemistry solutions chapter 7. The elements included in the chapter are equally important for the students to refer to.

    - NCERT exemplar Class 12 Chemistry chapter 7 solutions provides the required information about the elements and the use of p-block elements.

    - The chapter also provides the required information about the different groups in the p-block elements. The chapter also includes different diagrams for a better understanding for the students.

    NCERT Exemplar Class 12 Solutions

    Check NCERT Solutions for Class 12 Chemistry

    Must read NCERT Solution subject wise

    Read more NCERT Notes subject wise

    Also Check NCERT Books and NCERT Syllabus here:

    Frequently Asked Question (FAQs)

    1. What are the important topics covered in the NCERT Exemplar Class 12 Chemistry Solutions Chapter 7 ?

    There are different topics covered in the Chapter 7 of NCERT Solutions for Class 12 Chemistry are Group 15 Elements, Nitric Acid, Phosphine, Dioxygen, Ozone, Sulphuric Acid, and different topics are all important topics that are covered in the chapter 7.

    2. What are the benefits of using the NCERT Solutions for Class 12 Chemistry Chapter 7?

    The benefits of using the NCERT Solutions for Class 12 Chemistry chapter 7 is the solutions created are completely based on the latest syllabus and guidelines.

    3. How to download these NCERT Exemplar Class 12 Chemistry Solutions Chapter 7?

    The students can download the solutions in the PDF format and they can download it from a single link.

    4. What one can learn from this NCERT Exemplar Class 12 Chemistry Solutions Chapter 7?

    The students learn about the different elements and the use of the group in the P-block elements. 

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    Questions related to CBSE Class 12th

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    hello,

    Yes you can appear for the compartment paper again since CBSE gives three chances to a candidate to clear his/her exams so you still have two more attempts. However, you can appear for your improvement paper for all subjects but you cannot appear for the ones in which you have failed.

    I hope this was helpful!

    Good Luck

    Hello dear,

    If you was not able to clear 1st compartment and now you giving second compartment so YES, you can go for your improvement exam next year but if a student receives an improvement, they are given the opportunity to retake the boards as a private candidate the following year, but there are some requirements. First, the student must pass all of their subjects; if they received a compartment in any subject, they must then pass the compartment exam before being eligible for the improvement.


    As you can registered yourself as private candidate for giving your improvement exam of 12 standard CBSE(Central Board of Secondary Education).For that you have to wait for a whole year which is bit difficult for you.


    Positive side of waiting for whole year is you have a whole year to preparing yourself for your examination. You have no distraction or something which may causes your failure in the exams. In whole year you have to stay focused on your 12 standard examination for doing well in it. By this you get a highest marks as a comparison of others.


    Believe in Yourself! You can make anything happen


    All the very best.

    Hello Student,

    I appreciate your Interest in education. See the improvement is not restricted to one subject or multiple subjects  and  we cannot say if improvement in one subject in one year leads to improvement in more subjects in coming year.

    You just need to have a revision of all subjects what you have completed in the school. have a revision and practice of subjects and concepts helps you better.

    All the best.

    If you'll do hard work then by hard work of 6 months you can achieve your goal but you have to start studying for it dont waste your time its a very important year so please dont waste it otherwise you'll regret.

    Yes, you can take admission in class 12th privately there are many colleges in which you can give 12th privately.

    View All

    A block of mass 0.50 kg is moving with a speed of 2.00 ms-1 on a smooth surface. It strikes another mass of 1.00 kg and then they move together as a single body. The energy loss during the collision is

    Option 1)

    0.34\; J

    Option 2)

    0.16\; J

    Option 3)

    1.00\; J

    Option 4)

    0.67\; J

    A person trying to lose weight by burning fat lifts a mass of 10 kg upto a height of 1 m 1000 times.  Assume that the potential energy lost each time he lowers the mass is dissipated.  How much fat will he use up considering the work done only when the weight is lifted up ?  Fat supplies 3.8×107 J of energy per kg which is converted to mechanical energy with a 20% efficiency rate.  Take g = 9.8 ms−2 :

    Option 1)

    2.45×10−3 kg

    Option 2)

     6.45×10−3 kg

    Option 3)

     9.89×10−3 kg

    Option 4)

    12.89×10−3 kg

     

    An athlete in the olympic games covers a distance of 100 m in 10 s. His kinetic energy can be estimated to be in the range

    Option 1)

    2,000 \; J - 5,000\; J

    Option 2)

    200 \, \, J - 500 \, \, J

    Option 3)

    2\times 10^{5}J-3\times 10^{5}J

    Option 4)

    20,000 \, \, J - 50,000 \, \, J

    A particle is projected at 600   to the horizontal with a kinetic energy K. The kinetic energy at the highest point

    Option 1)

    K/2\,

    Option 2)

    \; K\;

    Option 3)

    zero\;

    Option 4)

    K/4

    In the reaction,

    2Al_{(s)}+6HCL_{(aq)}\rightarrow 2Al^{3+}\, _{(aq)}+6Cl^{-}\, _{(aq)}+3H_{2(g)}

    Option 1)

    11.2\, L\, H_{2(g)}  at STP  is produced for every mole HCL_{(aq)}  consumed

    Option 2)

    6L\, HCl_{(aq)}  is consumed for ever 3L\, H_{2(g)}      produced

    Option 3)

    33.6 L\, H_{2(g)} is produced regardless of temperature and pressure for every mole Al that reacts

    Option 4)

    67.2\, L\, H_{2(g)} at STP is produced for every mole Al that reacts .

    How many moles of magnesium phosphate, Mg_{3}(PO_{4})_{2} will contain 0.25 mole of oxygen atoms?

    Option 1)

    0.02

    Option 2)

    3.125 × 10-2

    Option 3)

    1.25 × 10-2

    Option 4)

    2.5 × 10-2

    If we consider that 1/6, in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will

    Option 1)

    decrease twice

    Option 2)

    increase two fold

    Option 3)

    remain unchanged

    Option 4)

    be a function of the molecular mass of the substance.

    With increase of temperature, which of these changes?

    Option 1)

    Molality

    Option 2)

    Weight fraction of solute

    Option 3)

    Fraction of solute present in water

    Option 4)

    Mole fraction.

    Number of atoms in 558.5 gram Fe (at. wt.of Fe = 55.85 g mol-1) is

    Option 1)

    twice that in 60 g carbon

    Option 2)

    6.023 × 1022

    Option 3)

    half that in 8 g He

    Option 4)

    558.5 × 6.023 × 1023

    A pulley of radius 2 m is rotated about its axis by a force F = (20t - 5t2) newton (where t is measured in seconds) applied tangentially. If the moment of inertia of the pulley about its axis of rotation is 10 kg m2 , the number of rotations made by the pulley before its direction of motion if reversed, is

    Option 1)

    less than 3

    Option 2)

    more than 3 but less than 6

    Option 3)

    more than 6 but less than 9

    Option 4)

    more than 9

    Bio Medical Engineer

    The field of biomedical engineering opens up a universe of expert chances. An Individual in the biomedical engineering career path work in the field of engineering as well as medicine, in order to find out solutions to common problems of the two fields. The biomedical engineering job opportunities are to collaborate with doctors and researchers to develop medical systems, equipment, or devices that can solve clinical problems. Here we will be discussing jobs after biomedical engineering, how to get a job in biomedical engineering, biomedical engineering scope, and salary. 

    4 Jobs Available
    Data Administrator

    Database professionals use software to store and organise data such as financial information, and customer shipping records. Individuals who opt for a career as data administrators ensure that data is available for users and secured from unauthorised sales. DB administrators may work in various types of industries. It may involve computer systems design, service firms, insurance companies, banks and hospitals.

    4 Jobs Available
    Cartographer

    How fascinating it is to represent the whole world on just a piece of paper or a sphere. With the help of maps, we are able to represent the real world on a much smaller scale. Individuals who opt for a career as a cartographer are those who make maps. But, cartography is not just limited to maps, it is about a mixture of art, science, and technology. As a cartographer, not only you will create maps but use various geodetic surveys and remote sensing systems to measure, analyse, and create different maps for political, cultural or educational purposes.

    3 Jobs Available
    Operations Manager

    Individuals in the operations manager jobs are responsible for ensuring the efficiency of each department to acquire its optimal goal. They plan the use of resources and distribution of materials. The operations manager's job description includes managing budgets, negotiating contracts, and performing administrative tasks.

    3 Jobs Available
    GIS Expert

    GIS officer work on various GIS software to conduct a study and gather spatial and non-spatial information. GIS experts update the GIS data and maintain it. The databases include aerial or satellite imagery, latitudinal and longitudinal coordinates, and manually digitized images of maps. In a career as GIS expert, one is responsible for creating online and mobile maps.

    3 Jobs Available
    Ethical Hacker

    A career as ethical hacker involves various challenges and provides lucrative opportunities in the digital era where every giant business and startup owns its cyberspace on the world wide web. Individuals in the ethical hacker career path try to find the vulnerabilities in the cyber system to get its authority. If he or she succeeds in it then he or she gets its illegal authority. Individuals in the ethical hacker career path then steal information or delete the file that could affect the business, functioning, or services of the organization.

    3 Jobs Available
    Database Architect

    If you are intrigued by the programming world and are interested in developing communications networks then a career as database architect may be a good option for you. Data architect roles and responsibilities include building design models for data communication networks. Wide Area Networks (WANs), local area networks (LANs), and intranets are included in the database networks. It is expected that database architects will have in-depth knowledge of a company's business to develop a network to fulfil the requirements of the organisation. Stay tuned as we look at the larger picture and give you more information on what is db architecture, why you should pursue database architecture, what to expect from such a degree and what your job opportunities will be after graduation. Here, we will be discussing how to become a data architect. Students can visit NIT Trichy, IIT Kharagpur, JMI New Delhi

    3 Jobs Available
    Data Analyst

    The invention of the database has given fresh breath to the people involved in the data analytics career path. Analysis refers to splitting up a whole into its individual components for individual analysis. Data analysis is a method through which raw data are processed and transformed into information that would be beneficial for user strategic thinking.

    Data are collected and examined to respond to questions, evaluate hypotheses or contradict theories. It is a tool for analyzing, transforming, modeling, and arranging data with useful knowledge, to assist in decision-making and methods, encompassing various strategies, and is used in different fields of business, research, and social science.

    3 Jobs Available
    Bank Probationary Officer (PO)

    A career as Bank Probationary Officer (PO) is seen as a promising career opportunity and a white-collar career. Each year aspirants take the Bank PO exam. This career provides plenty of career development and opportunities for a successful banking future. If you have more questions about a career as  Bank Probationary Officer (PO), what is probationary officer or how to become a Bank Probationary Officer (PO) then you can read the article and clear all your doubts. 

    3 Jobs Available
    Operations Manager

    Individuals in the operations manager jobs are responsible for ensuring the efficiency of each department to acquire its optimal goal. They plan the use of resources and distribution of materials. The operations manager's job description includes managing budgets, negotiating contracts, and performing administrative tasks.

    3 Jobs Available
    Data Analyst

    The invention of the database has given fresh breath to the people involved in the data analytics career path. Analysis refers to splitting up a whole into its individual components for individual analysis. Data analysis is a method through which raw data are processed and transformed into information that would be beneficial for user strategic thinking.

    Data are collected and examined to respond to questions, evaluate hypotheses or contradict theories. It is a tool for analyzing, transforming, modeling, and arranging data with useful knowledge, to assist in decision-making and methods, encompassing various strategies, and is used in different fields of business, research, and social science.

    3 Jobs Available
    Finance Executive

    A career as a Finance Executive requires one to be responsible for monitoring an organisation's income, investments and expenses to create and evaluate financial reports. His or her role involves performing audits, invoices, and budget preparations. He or she manages accounting activities, bank reconciliations, and payable and receivable accounts.  

    3 Jobs Available
    Investment Banker

    An Investment Banking career involves the invention and generation of capital for other organizations, governments, and other entities. Individuals who opt for a career as Investment Bankers are the head of a team dedicated to raising capital by issuing bonds. Investment bankers are termed as the experts who have their fingers on the pulse of the current financial and investing climate. Students can pursue various Investment Banker courses, such as Banking and Insurance, and Economics to opt for an Investment Banking career path.

    3 Jobs Available
    Bank Branch Manager

    Bank Branch Managers work in a specific section of banking related to the invention and generation of capital for other organisations, governments, and other entities. Bank Branch Managers work for the organisations and underwrite new debts and equity securities for all type of companies, aid in the sale of securities, as well as help to facilitate mergers and acquisitions, reorganisations, and broker trades for both institutions and private investors.

    3 Jobs Available
    Treasurer

    Treasury analyst career path is often regarded as certified treasury specialist in some business situations, is a finance expert who specifically manages a company or organisation's long-term and short-term financial targets. Treasurer synonym could be a financial officer, which is one of the reputed positions in the corporate world. In a large company, the corporate treasury jobs hold power over the financial decision-making of the total investment and development strategy of the organisation.

    3 Jobs Available
    Product Manager

    A Product Manager is a professional responsible for product planning and marketing. He or she manages the product throughout the Product Life Cycle, gathering and prioritising the product. A product manager job description includes defining the product vision and working closely with team members of other departments to deliver winning products.  

    3 Jobs Available
    Transportation Planner

    A career as Transportation Planner requires technical application of science and technology in engineering, particularly the concepts, equipment and technologies involved in the production of products and services. In fields like land use, infrastructure review, ecological standards and street design, he or she considers issues of health, environment and performance. A Transportation Planner assigns resources for implementing and designing programmes. He or she is responsible for assessing needs, preparing plans and forecasts and compliance with regulations.

    3 Jobs Available
    Architect

    Individuals in the architecture career are the building designers who plan the whole construction keeping the safety and requirements of the people. Individuals in architect career in India provides professional services for new constructions, alterations, renovations and several other activities. Individuals in architectural careers in India visit site locations to visualize their projects and prepare scaled drawings to submit to a client or employer as a design. Individuals in architecture careers also estimate build costs, materials needed, and the projected time frame to complete a build.

    2 Jobs Available
    Landscape Architect

    Having a landscape architecture career, you are involved in site analysis, site inventory, land planning, planting design, grading, stormwater management, suitable design, and construction specification. Frederick Law Olmsted, the designer of Central Park in New York introduced the title “landscape architect”. The Australian Institute of Landscape Architects (AILA) proclaims that "Landscape Architects research, plan, design and advise on the stewardship, conservation and sustainability of development of the environment and spaces, both within and beyond the built environment". Therefore, individuals who opt for a career as a landscape architect are those who are educated and experienced in landscape architecture. Students need to pursue various landscape architecture degrees, such as M.Des, M.Plan to become landscape architects. If you have more questions regarding a career as a landscape architect or how to become a landscape architect then you can read the article to get your doubts cleared. 

    2 Jobs Available
    Plumber

    An expert in plumbing is aware of building regulations and safety standards and works to make sure these standards are upheld. Testing pipes for leakage using air pressure and other gauges, and also the ability to construct new pipe systems by cutting, fitting, measuring and threading pipes are some of the other more involved aspects of plumbing. Individuals in the plumber career path are self-employed or work for a small business employing less than ten people, though some might find working for larger entities or the government more desirable.

    2 Jobs Available
    Construction Manager

    Individuals who opt for a career as construction managers have a senior-level management role offered in construction firms. Responsibilities in the construction management career path are assigning tasks to workers, inspecting their work, and coordinating with other professionals including architects, subcontractors, and building services engineers.

    2 Jobs Available
    Carpenter

    Carpenters are typically construction workers. They stay involved in performing many types of construction activities. It includes cutting, fitting and assembling wood.  Carpenters may help in building constructions, bridges, big ships and boats. Here, in the article, we will discuss carpenter career path, carpenter salary, how to become a carpenter, carpenter job outlook.

    2 Jobs Available
    Welder

    An individual who opts for a career as a welder is a professional tradesman who is skilled in creating a fusion between two metal pieces to join it together with the use of a manual or fully automatic welding machine in their welder career path. It is joined by intense heat and gas released between the metal pieces through the welding machine to permanently fix it. 

    2 Jobs Available
    Environmental Engineer

    Individuals who opt for a career as an environmental engineer are construction professionals who utilise the skills and knowledge of biology, soil science, chemistry and the concept of engineering to design and develop projects that serve as solutions to various environmental problems. 

    2 Jobs Available
    Orthotist and Prosthetist

    Orthotists and Prosthetists are professionals who provide aid to patients with disabilities. They fix them to artificial limbs (prosthetics) and help them to regain stability. There are times when people lose their limbs in an accident. In some other occasions, they are born without a limb or orthopaedic impairment. Orthotists and prosthetists play a crucial role in their lives with fixing them to assistive devices and provide mobility.

    6 Jobs Available
    Veterinary Doctor

    A veterinary doctor is a medical professional with a degree in veterinary science. The veterinary science qualification is the minimum requirement to become a veterinary doctor. There are numerous veterinary science courses offered by various institutes. He or she is employed at zoos to ensure they are provided with good health facilities and medical care to improve their life expectancy.

    5 Jobs Available
    Pathologist

    A career in pathology in India is filled with several responsibilities as it is a medical branch and affects human lives. The demand for pathologists has been increasing over the past few years as people are getting more aware of different diseases. Not only that, but an increase in population and lifestyle changes have also contributed to the increase in a pathologist’s demand. The pathology careers provide an extremely huge number of opportunities and if you want to be a part of the medical field you can consider being a pathologist. If you want to know more about a career in pathology in India then continue reading this article.

    5 Jobs Available
    Gynaecologist

    Gynaecology can be defined as the study of the female body. The job outlook for gynaecology is excellent since there is evergreen demand for one because of their responsibility of dealing with not only women’s health but also fertility and pregnancy issues. Although most women prefer to have a women obstetrician gynaecologist as their doctor, men also explore a career as a gynaecologist and there are ample amounts of male doctors in the field who are gynaecologists and aid women during delivery and childbirth. 

    4 Jobs Available
    Surgical Technologist

    When it comes to an operation theatre, there are several tasks that are to be carried out before as well as after the operation or surgery has taken place. Such tasks are not possible without surgical tech and surgical tech tools. A single surgeon cannot do it all alone. It’s like for a footballer he needs his team’s support to score a goal the same goes for a surgeon. It is here, when a surgical technologist comes into the picture. It is the job of a surgical technologist to prepare the operation theatre with all the required equipment before the surgery. Not only that, once an operation is done it is the job of the surgical technologist to clean all the equipment. One has to fulfil the minimum requirements of surgical tech qualifications. 

    Also Read: Career as Nurse

    3 Jobs Available
    Oncologist

    An oncologist is a specialised doctor responsible for providing medical care to patients diagnosed with cancer. He or she uses several therapies to control the cancer and its effect on the human body such as chemotherapy, immunotherapy, radiation therapy and biopsy. An oncologist designs a treatment plan based on a pathology report after diagnosing the type of cancer and where it is spreading inside the body.

    3 Jobs Available
    Dentist

    Those who wish to make a dentist career in India must know that dental training opens up a universe of expert chances. Notwithstanding private practice, the present dental school graduates can pick other dental profession alternatives, remembering working in medical clinic crisis rooms, leading propelled lab examinations, teaching future dental specialists, or in any event, venturing to the far corners of the planet with International health and relief organizations.

    2 Jobs Available
    Health Inspector

    Individuals following a career as health inspectors have to face resistance and lack of cooperation while working on the sites. The health inspector's job description includes taking precautionary measures while inspecting to save themself from any external injury and the need to cover their mouth to avoid toxic substances. A health inspector does the desk job as well as the fieldwork. Health inspector jobs require one to travel long hours to inspect a particular place.

    2 Jobs Available
    Actor

    For an individual who opts for a career as an actor, the primary responsibility is to completely speak to the character he or she is playing and to persuade the crowd that the character is genuine by connecting with them and bringing them into the story. This applies to significant roles and littler parts, as all roles join to make an effective creation. Here in this article, we will discuss how to become an actor in India, actor exams, actor salary in India, and actor jobs. 

    4 Jobs Available
    Acrobat

    Individuals who opt for a career as acrobats create and direct original routines for themselves, in addition to developing interpretations of existing routines. The work of circus acrobats can be seen in a variety of performance settings, including circus, reality shows, sports events like the Olympics, movies and commercials. Individuals who opt for a career as acrobats must be prepared to face rejections and intermittent periods of work. The creativity of acrobats may extend to other aspects of the performance. For example, acrobats in the circus may work with gym trainers, celebrities or collaborate with other professionals to enhance such performance elements as costume and or maybe at the teaching end of the career.

    3 Jobs Available
    Video Game Designer

    Career as a video game designer is filled with excitement as well as responsibilities. A video game designer is someone who is involved in the process of creating a game from day one. He or she is responsible for fulfilling duties like designing the character of the game, the several levels involved, plot, art and similar other elements. Individuals who opt for a career as a video game designer may also write the codes for the game using different programming languages. Depending on the video game designer job description and experience they may also have to lead a team and do the early testing of the game in order to suggest changes and find loopholes.

    3 Jobs Available
    Talent Agent

    The career as a Talent Agent is filled with responsibilities. A Talent Agent is someone who is involved in the pre-production process of the film. It is a very busy job for a Talent Agent but as and when an individual gains experience and progresses in the career he or she can have people assisting him or her in work. Depending on one’s responsibilities, number of clients and experience he or she may also have to lead a team and work with juniors under him or her in a talent agency. In order to know more about the job of a talent agent continue reading the article.

    If you want to know more about talent agent meaning, how to become a Talent Agent, or Talent Agent job description then continue reading this article.

    3 Jobs Available
    Radio Jockey

    Radio Jockey is an exciting, promising career and a great challenge for music lovers. If you are really interested in a career as radio jockey, then it is very important for an RJ to have an automatic, fun, and friendly personality. If you want to get a job done in this field, a strong command of the language and a good voice are always good things. Apart from this, in order to be a good radio jockey, you will also listen to good radio jockeys so that you can understand their style and later make your own by practicing.

    A career as radio jockey has a lot to offer to deserving candidates. If you want to know more about a career as radio jockey, and how to become a radio jockey then continue reading the article.

    3 Jobs Available
    Producer

    An individual who is pursuing a career as a producer is responsible for managing the business aspects of production. They are involved in each aspect of production from its inception to deception. Famous movie producers review the script, recommend changes and visualise the story. 

    They are responsible for overseeing the finance involved in the project and distributing the film for broadcasting on various platforms. A career as a producer is quite fulfilling as well as exhaustive in terms of playing different roles in order for a production to be successful. Famous movie producers are responsible for hiring creative and technical personnel on contract basis.

    2 Jobs Available
    Fashion Blogger

    Fashion bloggers use multiple social media platforms to recommend or share ideas related to fashion. A fashion blogger is a person who writes about fashion, publishes pictures of outfits, jewellery, accessories. Fashion blogger works as a model, journalist, and a stylist in the fashion industry. In current fashion times, these bloggers have crossed into becoming a star in fashion magazines, commercials, or campaigns. 

    2 Jobs Available
    Photographer

    Photography is considered both a science and an art, an artistic means of expression in which the camera replaces the pen. In a career as a photographer, an individual is hired to capture the moments of public and private events, such as press conferences or weddings, or may also work inside a studio, where people go to get their picture clicked. Photography is divided into many streams each generating numerous career opportunities in photography. With the boom in advertising, media, and the fashion industry, photography has emerged as a lucrative and thrilling career option for many Indian youths.

    2 Jobs Available
    Copy Writer

    In a career as a copywriter, one has to consult with the client and understand the brief well. A career as a copywriter has a lot to offer to deserving candidates. Several new mediums of advertising are opening therefore making it a lucrative career choice. Students can pursue various copywriter courses such as Journalism, Advertising, Marketing Management. Here, we have discussed how to become a freelance copywriter, copywriter career path, how to become a copywriter in India, and copywriting career outlook. 

    5 Jobs Available
    Journalist

    Careers in journalism are filled with excitement as well as responsibilities. One cannot afford to miss out on the details. As it is the small details that provide insights into a story. Depending on those insights a journalist goes about writing a news article. A journalism career can be stressful at times but if you are someone who is passionate about it then it is the right choice for you. If you want to know more about the media field and journalist career then continue reading this article.

    3 Jobs Available
    Publisher

    For publishing books, newspapers, magazines and digital material, editorial and commercial strategies are set by publishers. Individuals in publishing career paths make choices about the markets their businesses will reach and the type of content that their audience will be served. Individuals in book publisher careers collaborate with editorial staff, designers, authors, and freelance contributors who develop and manage the creation of content.

    3 Jobs Available
    Vlogger

    In a career as a vlogger, one generally works for himself or herself. However, once an individual has gained viewership there are several brands and companies that approach them for paid collaboration. It is one of those fields where an individual can earn well while following his or her passion. Ever since internet cost got reduced the viewership for these types of content has increased on a large scale. Therefore, the career as vlogger has a lot to offer. If you want to know more about the career as vlogger, how to become a vlogger, so on and so forth then continue reading the article. Students can visit Jamia Millia Islamia, Asian College of Journalism, Indian Institute of Mass Communication to pursue journalism degrees.

    3 Jobs Available
    Editor

    Individuals in the editor career path is an unsung hero of the news industry who polishes the language of the news stories provided by stringers, reporters, copywriters and content writers and also news agencies. Individuals who opt for a career as an editor make it more persuasive, concise and clear for readers. In this article, we will discuss the details of the editor's career path such as how to become an editor in India, editor salary in India and editor skills and qualities.

    3 Jobs Available
    Fashion Journalist

    Fashion journalism involves performing research and writing about the most recent fashion trends. Journalists obtain this knowledge by collaborating with stylists, conducting interviews with fashion designers, and attending fashion shows, photoshoots, and conferences. A fashion Journalist  job is to write copy for trade and advertisement journals, fashion magazines, newspapers, and online fashion forums about style and fashion.

    2 Jobs Available
    Multimedia Specialist

    A multimedia specialist is a media professional who creates, audio, videos, graphic image files, computer animations for multimedia applications. He or she is responsible for planning, producing, and maintaining websites and applications. 

    2 Jobs Available
    Corporate Executive

    Are you searching for a Corporate Executive job description? A Corporate Executive role comes with administrative duties. He or she provides support to the leadership of the organisation. A Corporate Executive fulfils the business purpose and ensures its financial stability. In this article, we are going to discuss how to become corporate executive.

    2 Jobs Available
    Product Manager

    A Product Manager is a professional responsible for product planning and marketing. He or she manages the product throughout the Product Life Cycle, gathering and prioritising the product. A product manager job description includes defining the product vision and working closely with team members of other departments to deliver winning products.  

    3 Jobs Available
    Quality Controller

    A quality controller plays a crucial role in an organisation. He or she is responsible for performing quality checks on manufactured products. He or she identifies the defects in a product and rejects the product. 

    A quality controller records detailed information about products with defects and sends it to the supervisor or plant manager to take necessary actions to improve the production process.

    3 Jobs Available
    Production Manager

    Production Manager Job Description: A Production Manager is responsible for ensuring smooth running of manufacturing processes in an efficient manner. He or she plans and organises production schedules. The role of Production Manager involves estimation, negotiation on budget and timescales with the clients and managers. 

    Resource Links for Online MBA 

    3 Jobs Available
    QA Manager

    Quality Assurance Manager Job Description: A QA Manager is an administrative professional responsible for overseeing the activity of the QA department and staff. It involves developing, implementing and maintaining a system that is qualified and reliable for testing to meet specifications of products of organisations as well as development processes. 

    2 Jobs Available
    QA Lead

    A QA Lead is in charge of the QA Team. The role of QA Lead comes with the responsibility of assessing services and products in order to determine that he or she meets the quality standards. He or she develops, implements and manages test plans. 

    2 Jobs Available
    Reliability Engineer

    Are you searching for a Reliability Engineer job description? A Reliability Engineer is responsible for ensuring long lasting and high quality products. He or she ensures that materials, manufacturing equipment, components and processes are error free. A Reliability Engineer role comes with the responsibility of minimising risks and effectiveness of processes and equipment. 

    2 Jobs Available
    Safety Manager

    A Safety Manager is a professional responsible for employee’s safety at work. He or she plans, implements and oversees the company’s employee safety. A Safety Manager ensures compliance and adherence to Occupational Health and Safety (OHS) guidelines.

    2 Jobs Available
    Corporate Executive

    Are you searching for a Corporate Executive job description? A Corporate Executive role comes with administrative duties. He or she provides support to the leadership of the organisation. A Corporate Executive fulfils the business purpose and ensures its financial stability. In this article, we are going to discuss how to become corporate executive.

    2 Jobs Available
    ITSM Manager

    ITSM Manager is a professional responsible for heading the ITSM (Information Technology Service Management) or (Information Technology Infrastructure Library) processes. He or she ensures that operation management provides appropriate resource levels for problem resolutions. The ITSM Manager oversees the level of prioritisation for the problems, critical incidents, planned as well as proactive tasks. 

    3 Jobs Available
    Information Security Manager

    Individuals in the information security manager career path involves in overseeing and controlling all aspects of computer security. The IT security manager job description includes planning and carrying out security measures to protect the business data and information from corruption, theft, unauthorised access, and deliberate attack 

    3 Jobs Available
    Computer Programmer

    Careers in computer programming primarily refer to the systematic act of writing code and moreover include wider computer science areas. The word 'programmer' or 'coder' has entered into practice with the growing number of newly self-taught tech enthusiasts. Computer programming careers involve the use of designs created by software developers and engineers and transforming them into commands that can be implemented by computers. These commands result in regular usage of social media sites, word-processing applications and browsers.

    3 Jobs Available
    Product Manager

    A Product Manager is a professional responsible for product planning and marketing. He or she manages the product throughout the Product Life Cycle, gathering and prioritising the product. A product manager job description includes defining the product vision and working closely with team members of other departments to deliver winning products.  

    3 Jobs Available
    IT Consultant

    An IT Consultant is a professional who is also known as a technology consultant. He or she is required to provide consultation to industrial and commercial clients to resolve business and IT problems and acquire optimum growth. An IT consultant can find work by signing up with an IT consultancy firm, or he or she can work on their own as independent contractors and select the projects he or she wants to work on.

    2 Jobs Available
    Data Architect

    A Data Architect role involves formulating the organisational data strategy. It involves data quality, flow of data within the organisation and security of data. The vision of Data Architect provides support to convert business requirements into technical requirements. 

    2 Jobs Available
    Security Engineer

    The Security Engineer is responsible for overseeing and controlling the various aspects of a company's computer security. Individuals in the security engineer jobs include developing and implementing policies and procedures to protect the data and information of the organisation. In this article, we will discuss the security engineer job description, security engineer skills, security engineer course, and security engineer career path.

    2 Jobs Available
    UX Architect

    A UX Architect is someone who influences the design processes and its outcomes. He or she possesses a solid understanding of user research, information architecture, interaction design and content strategy. 

     

    2 Jobs Available
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