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    NCERT Exemplar Class 12 Chemistry Solutions Chapter 9 Coordination Compounds

    Edited By Sumit Saini | Updated on Sep 16, 2022 05:46 PM IST | #CBSE Class 12th

    NCERT exemplar Class 12 Chemistry solutions chapter 9 is an important chapter which holds great importance in an exam point of view. Class 12 Chemistry NCERT exemplar solutions chapter 9 are carefully prepared by professionals of the field. This NCERT material helps the students and provides them with accurate and precise information. NCERT exemplar Class 12 Chemistry chapter 9 solutions were prepared with the objective of keeping it simple and understandable to the students. Students find it to be reliable and easy to learn and understand the subject concepts. NCERT exemplar Class 12 Chemistry solutions chapter 9 pdf download can be easily accessed online.

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

    NCERT Exemplar Class 12 Chemistry Solutions Chapter 9: MCQ (Type 1)

    Question:1

    Which of the following complexes formed by \text {Cu}^{2+} ions is most stable?
    (i) \text {Cu}^{2+}+\text {4NH}_{3}\rightleftharpoons \left [ \text {Cu}\left ( \text {NH}_{3} \right )_{4} \right ]^{2+}\; \; \; \; \; \; \; \text {logK}= 11.6
    (ii) \text {Cu}^{2+}+\text {4CN}^{-}\rightleftharpoons \left [ \text {Cu}\left ( \text {CN} \right )_{4} \right ]^{2-}\; \; \; \; \; \; \; \text {logK}= 27.3
    (iii) \text {Cu}^{2+}+\text {2en}\rightleftharpoons \left [ \text {Cu}\left ( \text {en} \right )_{2} \right ]^{2+}\; \; \; \; \; \; \; \text {logK}= 15.4
    (iv) \text {Cu}^{2+}+\text {4H}_{2}\text {O}\rightleftharpoons \left [ \text {Cu}\left ( \text {H}_{2}\text {O} \right )_{4} \right ]^{2+}\; \; \; \; \; \; \; \text {logK}= 8.9
    Answer:

    Option (ii) is the correct answer.
    Explanation:
    The stability of a compound will be more when the value of log K increases.
    For reaction,
    \text {Cu}^{2+}+\text {4CN}^{-}\rightleftharpoons \left [ \text {Cu}\left ( \text {CN} \right )_{4} \right ]^{2-}
    \text {K}=\frac{\left [ \text {Cu}\left ( \text {CN}_{4} \right ) ^{2-}\right ]}{\left [ \text {Cu}^{2+} \right ]\left [ \text {CN}^{-} \right ]^{4}}\;\text {and} \; \text {log K}=27.3
    Log K has the highest value for this reaction amongst all the four reactions. The value of K will also be higher so, the stability of this complex will be highest.

    Question:2

    The colour of the coordination compounds depends on the crystal field splitting. What will be the correct order of absorption of wavelength of light in the visible region, for the complexes, \left [ \text {Co}\left ( \text {NH}_{3} \right )_{6} \right ]^{3+}, \left [ \text {Co}\left ( \text {CN} \right )_{6} \right ]^{3-}, \left [ \text {Co}\left ( \text {H}_{2}\text {O} \right )_{6} \right ]^{3+}
    (i) \left [ \text {Co}\left ( \text {CN} \right )_{6} \right ]^{3-}> \left [ \text {Co}\left ( \text {NH}_{3} \right )_{6} \right ]^{3+}> \left [ \text {Co}\left ( \text {H}_{2}\text {O} \right )_{6} \right ]^{3+}
    (ii) \left [ \text {Co}\left ( \text {NH}_{3} \right )_{6} \right ]^{3+}> \left [ \text {Co}\left ( \text {H}_{2}\text {O} \right )_{6} \right ]^{3+}> \left [ \text {Co}\left ( \text {CN} \right )_{6} \right ]^{3-}
    (iii) \left [ \text {Co}\left ( \text {H}_{2}\text {O} \right )_{6} \right ]^{3+}> \left [ \text {Co}\left ( \text {NH}_{3} \right )_{6} \right ]^{3+}> \left [ \text {Co}\left ( \text {CN} \right )_{6} \right ]^{3-}
    (iv) \left [ \text {Co}\left ( \text {CN} \right )_{6} \right ]^{3-}> \left [ \text {Co}\left ( \text {NH}_{3} \right )_{6} \right ]^{3+}> \left [ \text {Co}\left ( \text {H}_{2}\text {O} \right )_{6} \right ]^{3+}
    Answer:

    Option (iii) is the correct answer.
    Explanation :
    \Delta _{0} values follow the order : \left [ \text {Co}\left ( \text {H}_{2}\text {O} \right )_{6} \right ]^{3+}< \left [ \text {Co}\left ( \text {NH}_{3} \right )_{6} \right ]^{3+}< \left [ \text {Co}\left ( \text {CN} \right )_{6} \right ]^{3-} and therefore,absorption wavelength follows the order:
    \left [ \text {Co}\left ( \text {H}_{2}\text {O} \right )_{6} \right ]^{3+}> \left [ \text {Co}\left ( \text {NH}_{3} \right )_{6} \right ]^{3+}> \left [ \text {Co}\left ( \text {CN} \right )_{6} \right ]^{3-}

    Question:3

    When 0.1 mol \text {CoCl}_{3}\left ( \text {NH}_{3} \right )_{5} is treated with an excess of \text {AgNO}_{3}, 0.2 mol of \text {AgCl} are obtained. The conductivity of the solution will correspond to
    (i) 1:3 electrolyte
    (ii) 1:2 electrolyte
    (iii) 1:1 electrolyte
    (iv) 3:1 electrolyte
    Answer:

    Option (ii) is the correct answer.
    Explanation:
    One mole of chloride ion gets precipitated by one mole of \text {AgNO}_{3}. \text {AgCl}, is obtained when 0.1 mole of \text {CoCl}_{3}\left ( \text {NH}_{3} \right )_{5} is treated with \text {AgNO}_{3} in excess. So this leaves two free chloride ions in the solution of electrolyte for every 1 mole reaction.
    Hence the molecular formula should be \left [ \text {Co}\left ( \text {NH}_{3} \right )_{5}\text {Cl} \right ]\text {Cl}_{2} and the solution of electrolyte should contain \left [ \text {Co}\left ( \text {NH}_{3} \right )_{5}\text {Cl} \right ]^{2+} and two Cl as their constituent ions. Therefore, it is an 1:2 electrolyte.
    \left [ \text {Co}\left ( \text {NH}_{3} \right )_{5}\text {Cl} \right ]\text {Cl}_{2} \rightarrow \left [ \text {Co}\left ( \text {NH}_{3} \right )_{5}\text {Cl} \right ]^{2+} \text {(aq)}+\text {2Cl}^{-} \text {(aq)}

    Question:4

    When 1 mol \text {CrCl}_{3}.\text {6H}_{2}\text {O} is treated with an excess of \text {AgNO}_{3}, 3 mol of \text {AgCl} are obtained. The formula of the complex is:
    (i) \left [ \text {CrCl}_{3}\left ( \text {H}_{2}\text {O}\right )_{3} \right ].\text {3H}_{2}\text {O}
    (ii) \left [ \text {CrCl}_{2}\left ( \text {H}_{2}\text {O}\right )_{4} \right ]\text {Cl}.\text {2H}_{2}\text {O}
    (iii) \left [ \text {CrCl}\left ( \text {H}_{2}\text {O}\right )_{5} \right ]\text {Cl}_{2}.\text {H}_{2}\text {O}
    (iv) \left [ \text {Cr}\left ( \text {H}_{2}\text {O}\right )_{6} \right ]\text {Cl}_{3}
    Answer:

    Option (iv) is the correct answer.
    Explanation: 3 mol of \text {AgCl} indicates that \text {3Cl}^{-} ions are given in the solution. Therefore, the formula should be \left [ \text {Cr}\left ( \text {H}_{2}\text {O}\right )_{6} \right ]\text {Cl}_{3}.

    Question:5

    The correct \text {IUPAC} name of \left [ \text {Pt}\left ( \text {NH}_{3} \right )_{2}\text {Cl}_{2} \right ] is
    (i) Diamminedichloridoplatinum (II)
    (ii) Diamminedichloridoplatinum (IV)
    (iii) Diamminedichloridoplatinum (0)
    (iv) Dichloridodiammineplatinum (IV)
    Answer:

    Option (i) is the correct answer.
    Explanation: diamminedichloridoplatinum (II) is \left [ \text {Pt}\left ( \text {NH}_{3} \right )_{2}\text {Cl}_{2} \right ].

    Question:6

    The stabilisation of coordination compounds due to chelation is called the chelate effect. Which of the following is the most stable complex species?
    (i) \left [ \text {Fe}\left ( \text {CO} \right ) _{5}\right ]
    (ii) \left [ \text {Fe}\left ( \text {CN} \right ) _{6}\right ]^{3-}
    (iii) \left [ \text {Fe}\left ( \text {C}_{2}\text {O}_{4} \right ) _{3}\right ]^{3-}
    (iv) \left [ \text {Fe}\left ( \text {H}_{2}\text {O} \right ) _{6}\right ]^{3+}
    Answer:

    Option (iii) is the correct answer.
    Explanation: Chelation is the formation of cycle of linkages between the metal ion and ligands is responsible for stabilizing the coordination compounds. A ligand which chelates any metal ion is known as chelating ligand.
    Here, oxalate ion is the chelating ligand and \left [ \text {Fe}\left ( \text {C}_{2}\text {O}_{4} \right ) _{3}\right ]^{3-} is the coordination compound. Hence, the oxalate ions stabilize the coordination compound by chelating \text {Fe}^{3+} ions.

    Question:7

    Indicate the complex ion which shows geometrical isomerism.
    (i) \left [ \text {Cr}\left ( \text {H}_{2}\text {O} \right )_{4}\text {Cl}_{2} \right ]^{+}
    (ii) \left [ \text {Pt}\left ( \text {NH}_{3}\right )_{3}\text {Cl}\right ]
    (iii) \left [ \text {Co}\left ( \text {NH}_{3}\right )_{6}\right ]^{3+}
    (iv) \left [ \text {Co}\left ( \text {CN}\right )_{5}\left ( \text {NC} \right )\right ]^{3-}
    Answer:

    Option (i) is the correct answer.
    Explanation :
    (a) \left [ \text {Cr}\left ( \text {H}_{2}\text {O} \right )_{4}\text {Cl}_{2} \right ]^{+}

    Question:8

    The CFSE for octahedral \left [ \text {CoCl}_{6} \right ]^{4-} is 18,000 cm–1. The CFSE for tetrahedral \left [ \text {CoCl}_{4} \right ]^{2-} will be
    (i) 18,000 \text {cm}^{-1}
    (ii) 16,000 \text {cm}^{-1}
    (iii) 8,000 \text {cm}^{-1}
    (iv) 20,000 \text {cm}^{-1}
    Answer:

    Option (iii) is the correct answer.
    Explanation :
    (c) CFSE for tetrahedral complex is \Delta _{t}=\left ( \frac{4}{9} \right )\Delta _{0}
    \Delta _{t}=\frac{4}{9} \times 18000=8,000 \; \text {cm}^{-1}

    Question:9

    Due to the presence of ambidentate ligands coordination compounds show isomerism. Palladium complexes of the type \left [ \text {Pd}\left ( \text {C}_{6}\text {H}_{5} \right )_{2}\left ( \text {SCN} \right )_{2} \right ] and \left [ \text {Pd}\left ( \text {C}_{6}\text {H}_{5} \right )_{2}\left ( \text {NCS} \right )_{2} \right ] are
    (i) linkage isomers
    (ii) coordination isomers
    (iii) ionisation isomers
    (iv) geometrical isomers
    Answer:

    Option (i) is the correct answer.
    Explanation: Ambident ligands are those ligands which have two different bonding sites. For example: \text {NCS,NO}_{2} etc.
    In this case, \text {NCS} contains two binding sites at N and S. Therefore, \text {NCS} (thiocyanate) will be bonding to the metal in these two ways; \text {M}\leftarrow \text {NCS} or \text {M}\rightarrow \text {SNC}
    Hence, the coordination compounds containing \text {NCS} as ligands can show linkages isomerism; \left [ \text {Pd}\left ( \text {C}_{6}\text {H}_{5} \right )_{2}\left ( \text {SCN} \right )_{2} \right ] and \left [ \text {Pd}\left ( \text {C}_{6}\text {H}_{5} \right )_{2}\left ( \text {NCS} \right )_{2} \right ] are linkage isomers.

    Question:10

    The compounds \left [ \text {Co}\left ( \text {SO}_{4}\right ) \left ( \text {NH}_{3} \right ) _{5}\right ]\text {Br} and \left [ \text {Co}\left ( \text {SO}_{4}\right ) \left ( \text {NH}_{3} \right ) _{5}\right ]\text {Cl} represent
    (i) linkage isomerism
    (ii) ionisation isomerism
    (iii) coordination isomerism
    (iv) no isomerism
    Answer:

    Option (iv) is the correct answer.
    Explanation:\left [ \text {Co}\left ( \text {SO}_{4}\right ) \left ( \text {NH}_{3} \right ) _{5}\right ]\text {Br} and \left [ \text {Co}\left ( \text {SO}_{4}\right ) \left ( \text {NH}_{3} \right ) _{5}\right ]\text {Cl} are different compounds and show no isomerism.

    Question:11

    A chelating agent has two or more than two donor atoms to bind to a single metal ion. Which of the following is not a chelating agent?
    (i) thiosulphate
    (ii) oxalate
    (iii) glycinato
    (iv) ethane-1,2-diamine
    Answer:

    Option (i) is the correct answer.
    Explanation: Thiosulphate or \text {S}_{2}\text {O}_{3}^{2-} is a monodentate ligand and not a chelating agent.

    Question:12

    Which of the following species is not expected to be a ligand?
    (i) \text {NO}
    (ii) \text {NH}_{4}^{+}
    (iii) \text {NH}_{2}\text {CH}_{2}\text {CH}_{2}\text {NH}_{2}
    (iv) \text {CO}
    Answer:

    Option (ii) is the correct answer.
    Explanation: To form M-L bonds, the ligand must donate a pair of electrons or any loosely held electron pair to the metal.
    e. g
    Among all \text {NH}_{4}^{+} does not have any pair of electrons.
    Hence \text {NH}_{4}^{+} is not a ligand.

    Question:13

    What kind of isomerism exists between \left [ \text {Cr}\left ( \text {H}_{2}\text {O} \right )_{6} \right ]\text {Cl}_{3}\; \text {(violet)} and \left [ \text {Cr}\left ( \text {H}_{2}\text {O} \right )_{5} \text {Cl}\right ]\text {Cl}_{2}.\text {H}_{2}\text {O}\; \text {(greyish-green)} ?
    (i) linkage isomerism
    (ii) solvate isomerism
    (iii) ionisation isomerism
    (iv) coordination isomerism
    Answer:

    Option (ii) is the correct answer.
    Explanation: The compound has different water molecules in number inside and outside of the coordination sphere.

    Question:14

    IUPAC name of \left [ \text {Pt}\left ( \text {NH}_{3} \right )_{2}\text {Cl}\left ( \text {NO}_{2} \right ) \right ] is :
    (i). Platinum diaminechloronitrite
    (ii). Chloronitrito-N-ammineplatinum (II)
    (iii). Diamminechloridonitrito-N-platinum (II)
    (iv). Diamminechloronitrito-N-platinate (II)
    Answer:

    Option (iii) is the correct answer.
    Explanation: diamminechloridonitrito-N-platinum (II) is \left [ \text {Pt}\left ( \text {NH}_{3} \right )_{2}\text {Cl}\left ( \text {NO}_{2} \right ) \right ]

    NCERT Exemplar Class 12 Chemistry Solutions Chapter 9: MCQ (Type 2)

    Question:15

    The atomic number of \text {Mn, Fe and Co} are 25, 26 and 27 respectively. Which of the following inner orbital octahedral complexions are diamagnetic?
    (i) \left [ Co(NH_{3})_{6} \right ]^{3+}
    (ii) \left [ Mn(CN)_{6} \right ]^{3-}
    (iii) \left [ Fe(CN)_{6} \right ]^{4-}
    (iv) \left [ Fe(CN)_{6} \right ]^{3-}
    Answer:

    Option (i) and (iii) are the correct answers.
    Explanation :
    (a,c)
    (a) Molecular orbital electronic configuration of Co^{3+} in \left [ Co(NH_{3})_{6} \right ]^{3+}is

    Number of unpaired electron = 0
    Magnetic property = Diamagnetic
    (b) Molecular orbital electronic configuration of Mn^{3+} in \left [ Mn(CN)_{6} \right ]^{3-}

    Number of unpaired electron = 2
    Magnetic property = Paramagnetic
    (c) Molecular orbital electronic configuration of Fe^{2+} in \left [ Fe(CN)_{6} \right ]^{4-}

    Number of unpaired electron = 0
    Magnetic property = Diamagnetic
    (d) Molecular orbital electronic configuration of Fe^{3+} in \left [ Fe(CN)_{6} \right ]^{3-}

    Number of unpaired electron = 1
    Magnetic property = Paramagnetic

    Question:17

    Which of the following options are correct for [Fe(CN)_{6}]^{3-} complex?
    (i) d^{2}sp^{3}hybridisation
    (ii) sp^{3}d^{2}hybridisation
    (iii) paramagnetic
    (iv) diamagnetic
    Answer:

    Option (i) and (iii) are the correct answers.
    Explanation :
    (a,c) [Fe(CN)_{6}]^{3-}

    Magnetic nature -paramagnetic.

    Question:18

    An aqueous pink solution of cobalt(II) chloride changes to deep blue on the addition of an excess of HCl. This is because____________.
    (i) [Co(H_{2}O)_{6}]^{2+} is transformed into [CoCl_{6}]^{4-}
    (ii) [Co(H_{2}O)_{6}]^{2+} is transformed into [CoCl_{4}]^{2-}
    (iii) tetrahedral complexes have smaller crystal field splitting than octahedral complexes.
    (iv) tetrahedral complexes have larger crystal field splitting than octahedral complex.
    Answer:

    Option (ii) and (iii) are the correct answers.
    Explanation: The transition of electrons from t2g to eg energy level gives an aqueous pink solution of cobalt (II) chloride in [Co(H_{2}O)_{6}]^{2+} complex and when excess HCl is added to the solution:
    (i) [Co(H_{2}O)_{6}]^{2+} is transformed into [CoCl_{4}]^{2-}
    (ii) Tetrahedral complexes have smaller crystal field spliting than octahedral complexes because \Delta _{r}=\frac{4}{9}\Delta _{0}
    Hence, options (b) and (c) are correct.

    Question:19

    Which of the following complexes is homoleptic?
    (i) \left [ Co\left ( NH_{3} \right )_{6} \right ]^{3+}
    (ii) \left [ Co\left ( NH_{3} \right )_{4}Cl_{2} \right ]^{+}
    (iii) \left [ Ni\left ( CN \right )_{4} \right ]^{2-}
    (iv) \left [ Ni\left ( NH_{3} \right )_{4}Cl_{2} \right ]
    Answer:

    Option (i) and (iii) are the correct answers.
    Explanation: Both \text {Co and Ni} are attached the same kind of ligands in the complexes \left [ Co\left ( NH_{3} \right )_{6} \right ]^{3+} and \left [ Ni\left ( CN \right )_{4} \right ]^{2-}. Hence they are homoleptic.

    Question:20

    Which of the following complexes are heteroleptic?
    (i) \left [ Cr(NH_{3})_{6} \right ]^{3+}
    (ii) \left [ Fe(NH_{3})_{4}Cl_{2} \right ]^{+}
    (iii) \left [ Mn(CN)_{6}\right ]^{4-}
    (iv) \left [ Co(NH_{3})_{4}Cl_{2} \right ]
    Answer:

    Option (ii) and (iv) are the correct answers.
    Explanation: Metal is bonded to more than one kind of ligands in complexes \left [ Fe(NH_{3})_{4}Cl_{2} \right ]^{+}and \left [ Co(NH_{3})_{4}Cl_{2} \right ] therefore they are heteroleptic.

    Question:21

    Identify the optically active compounds from the following: -
    (i) [Co(en)_{3}]^{3+}
    (ii) trans-[Co(en)_{2}Cl_{2}]^{+}
    (iii) cis-[Co(en)_{2}Cl_{2}]^{+}
    (iv) [Cr(NH_{3})_{5}Cl]

    Answer:

    Option (i) and (iii) are the correct answers.
    (a,c) [Co(en)_{3}]^{3+} and cis-[Co(en)_{2}Cl_{2}]^{+} are optically active compounds because their mirror images are non superimposable isomer.

    Non-superimposable isomers of [Co(en)_{3}]^{3+}

    Non-superimosable isomers of [Co(en)_{2}Cl_{2}]^{+}
    Hence, (a) and (c) are correct choices.

    Question:22

    Identify the correct statements for the behaviour of ethane-1, 2-diamine as a ligand.
    (i) It is a neutral ligand.
    (ii) It is a didentate ligand.
    (iii) It is a chelating ligand.
    (iv) It is a unidentate ligand.
    Answer:

    Option (i), (ii) and (iii) are the correct answers.
    Explanation :
    (a,b,c) Ethane 1, 2-diamine is a neutral and didentate ligand. It is a chelanting agent.

    Question:23

    Which of the following complexes show linkage isomerism?
    (i) [Co(NH_{3})_{5}(NO_{2})]^{2+}
    (ii) [Co(H_{2}O)_{5}CO]^{3+}
    (iii) [Cr(NH_{3})_{5}SCN]^{2+}
    (iv) [Fe(en)_{2}Cl_{2}]^{+}

    Answer:

    Option (i) and (iii) are the correct answers.
    Explanation:NO_{2} and SCN show linkage isomerism because they are ambidentate ligands.

    NCERT Exemplar Class 12 Chemistry Solutions Chapter 9: Short Answer Type

    Question:24

    Arrange the following complexes in the increasing order of conductivity of their solution: [Co(NH_{3})_{3}Cl_{3}], [Co(NH_{3})_{4}Cl_{2}] Cl, [Co(NH_{3})_{6}]Cl_{3} , [Cr(NH_{3})_{5}Cl]Cl_{2}
    Answer:

    The correct order of increase in conductivity is given below:
    [Co(NH_{3})_{3}Cl_{3}] < [Co(NH_{3})_{4}Cl_{2}] Cl < [Cr(NH_{3})_{5}Cl]Cl_{2} < [Co(NH_{3})_{6}]Cl_{3}

    Question:25

    A coordination compound CrCl_{3}.4H_{2}O precipitates silver chloride when treated with silver nitrate. The molar conductance of its solution corresponds to a total of two ions. Write the structural formula of the compound and name it.
    Answer:

    There should be one free chlorine atom left outside the coordination sphere if silver chloride is formed in the reaction. \left [ Cr\left ( H_{2}O \right )_{4}Cl_{2} \right ]Cl has to be the formula and it is called tetraaquadichlorido chromium(III) chloride.

    Question:26

    A complex of the type [M(AA)_2X_2]^{n+}is known to be optically active. What does this indicate about the structure of the complex? Give one example of such complex.
    Answer:

    If the complex is optically active then its structure has to be cis-octahedral. [Co(en)_{2}Cl_{2}]^{+} is one of the prominent examples of an optically stable compound.

    Question:27

    The magnetic moment of \left [ MnCl_{4} \right ]^{2-} is 5.92\; BM. Explain giving reason.
    Answer:

    A magnetic moment of 5.92 BM indicates that there are at least 5 unpaired electrons. The formula for Magnetic Moment =\sqrt{n(n+2)}
    As four ligands are attached to Mn^{2+}, therefore the geometry tetrahedral with 5 unpaired electrons gives a magnetic moment of 5.92 BM.

    Question:28

    Based on crystal field theory explain why \text {Co(III)} forms a paramagnetic octahedral complex with weak field ligands whereas it forms a diamagnetic octahedral complex with strong field ligands.
    Answer:

    t^{4}_{2g} e^{2} _{g} will be the electronic configuration where it indicates that it has 4 unpaired electrons and is paramagnetic, with a weak ligand \Delta _{0}<p. The configuration will be t^{6}_{2g} e^{0}_{g} with strong field ligand and there will not be any unpaired electrons. Hence it is diamagnetic.

    Question:29

    Why are low spin tetrahedral complexes not formed?
    Answer:

    The crystal field splitting energy is very low for tetrahedral complexes. The crystal field splitting energy is lower than pairing energy, therefore pairing of electrons is not favorable. Therefore, the complexes may not form low spin complexes

    Question:31

    Explain why [Fe(H_{2}O)_{6}]^{3+} has a magnetic moment value of 5.92 BM whereas [Fe(CN)_{6}]^{3-} has a value of only 1.74 BM.
    Answer:

    [Fe(CN)6]3- involves d2sp3 hybridisation with one unpaired electron and [Fe(H2O)6]3+ involves sp3d2 hybridisation with five unpaired electrons. This difference is due to the presence of strong ligand CN– and weak ligand H2O in these complexes

    Question:32

    Arrange following complex ions in increasing order of crystal field splitting energy (\Delta _{o}) :
    [Cr(Cl)_{6}]^{3-}, [Cr(CN)_{6}]^{3-}, [Cr(NH_{3})_{6}]^{3+}.

    Answer:

    The correct increasing order of crystal field is:
    [Cr(Cl)_{6}]^{3-}< [Cr(NH_{3})_{6}]^{3+} < [Cr(CN)_{6}]^{3-}
    According to the spectrochemical series, this is also the correct increasing of order of the field strength.

    Question:33

    Why do compounds having similar geometry have a different magnetic moment?
    Answer:

    The difference lies in the number of paired and unpaired electrons. Strong field ligand can easily cause the pairing of electrons while the weak field ligands are not able to form pairs. The magnetic moment of a compound depends on the number of unpaired or paired electrons. Hence it is different for compounds having similar geometry.

    Question:34

    \text {CuSO}_{4}.\text {5H}_{2}\text {O} is blue while \text {CuSO}_{4} is colourless. Why?
    Answer:

    In \text {CuSO}_{4}.\text {5H}_{2}\text {O}, the extra 5 water act as ligands. They apparently excite the electrons to the higher d orbital which shows the blue color. In \text {CuSO}_{4}, there are no water molecule that can act as ligands, so there is no crystal field slitting happening, hence there is no color.

    Question:35

    Name the type of isomerism when ambidentate ligands are attached to a central metal ion. Give two examples of ambidentate ligands.
    Answer:

    The ligands which have two binding sites are known as Ambidendate ligands. Some of the examples are: Nitrite-N, Nitrito-O and Isothiocyanato, Thiocyanato.
    Linkage Isomerism is a type of isomerism when ambidentate ligands get attached to central metal ions. This happens because it only differs in the atom that they are linked the central metal ion.

    NCERT Exemplar Class 12 Chemistry Solutions Chapter 9: Matching Type

    Question:36

    In the following question match the items given in Columns I and II.
    Match the complex ions given in Column I with the colours given in Column II and assign the correct code :

    Column I (Complex ion)

    Column II (Colour)

    (A) \left [ Co\left ( NH_{3} \right ) _{6}\right ]^{3+}

    1. Violet

    (B) \left [ Ti\left ( H_{2}O\right ) _{6}\right ]^{3+}

    2. Green

    (C) \left [ Ni\left ( H_{2}O\right ) _{6}\right ]^{2+}

    3. Pale blue

    (D) \left [ Ni\left ( H_{2}O\right ) _{4}(en)\right ]^{2+}(aq)

    4.Yellowish Orange


    5.Blue

    (i) A (1) B (2) C (4) D (5)
    (ii) A (4) B (3) C (2) D (1)
    (iii) A (3) B (2) C (4) D (1)
    (iv) A (4) B (1) C (2) D (3)

    Answer:

    Option (ii) is the correct answer.

    Question:37

    In the following question match the items given in Columns I and II.
    Match the coordination compounds given in Column I with the central metal atoms given in Column II and assign the correct code :

    Column I (Coordination Compound)

    Column II ( Central metal atom)

    A. Chlorophyll

    1. rhodium

    B. Blood pigment

    2. Cobalt

    C.Wilkinson catalyst

    3.Calcium

    D Vitamin B12

    4.Iron


    5. magnesium

    (i) A (5) B (4) C (1) D (2)
    (ii) A (3) B (4) C (5) D (1)
    (iii) A (4) B (3) C (2) D (1)
    (iv) A (3) B (4) C (1) D (2)

    Answer:

    Option (i) is the correct answer.

    Question:38

    In the following question match the items given in Columns I and II.
    Match the complex ions given in Column I with the hybridisation and number of unpaired electrons given in Column II and assign the correct code

    Column I (Complex ion)

    Column II (Hybridisation, number of unpaired electrons)

    A. \left [ Cr\left ( H_{2}O \right )_{6} \right ]^{3+}

    1. dsp^{2},1

    B. \left [ Co\left ( CN \right )_{4} \right ]^{2-}

    2.sp^{3}d^{2},5

    C. \left [ Ni\left ( NH_{3} \right )_{6} \right ]^{2+}

    3. d^{2}sp^{3},3

    D. \left [ MnF_{6} \right ]^{4-}

    4. sp^{3},4


    5.sp^{3}d^{2},2

    (i) A (3) B (1) C (5) D (2)
    (ii) A (4) B (3) C (2) D (1)
    (iii) A (3) B (2) C (4) D (1)
    (iv) A (4) B (1) C (2) D (3)

    Answer:

    Option (i) is the correct answer.
    Explanation : (i) Strong field ligand forms inner orbital complex with hybridisation d^{2}sp^{3}
    (ii) Weak field ligand forms outer orbital complex with hybridisation d^{2}sp^{3}.
    According to VBT, hybridisation and number of unpaired electrons of coordination compounds can be calculated as
    (a) \left [ Cr\left ( H_{2}O \right )_{6} \right ]^{3+}
    MOEC (Molecular orbital electronic configuration) of Cr^{3+} in \left [ Cr\left ( H_{2}O \right )_{6} \right ]^{3+} is

    Hybridisation = d^{2}sp^{3}
    n (number of unpaired electrons) = 3
    (b) \left [ Co\left ( CN \right )_{4} \right ]^{2-} is
    MOEC of Co^{2+} in \left [ Co\left ( CN \right )_{4} \right ]^{2-} is

    Hybridisation = dsp^{2}
    n (number of unpaired electrons) = 1
    (c) \left [ Ni\left ( NH_{3} \right )_{6} \right ]^{2+}
    MOEC of Ni^{2+} in \left [ Ni\left ( NH_{3} \right )_{6} \right ]^{2+} is

    Hybridisation = sp^{3}d^{2}
    n (number of unpaired electrons) = 2
    (d) \left [ MnF_{6} \right ]^{4-}
    MOEC of Mn^{2+} in \left [ MnF_{6} \right ]^{4-} is

    Hybridisation = sp^{3}d^{2}
    n (number of unpaired electrons) = 5
    Hence , correct choice can be represented by (a).

    Question:39

    In the following question match the items given in Columns I and II.
    Match the complex species given in Column I with the possible isomerism given in Column II and assign the correct code :

    Column I (Complex species)

    Column II (Isomerism)

    A. [Co (NH_{3})_{4}Cl_{2}]^{+}

    1. Optical

    B. cis-[Co (en)_{2}Cl_{2}]^{+}

    2. Ionisation

    C. [Co (NH_{3})_{5}(NO_{2})]Cl_{2}

    3. Coordination

    D. [Co (NH_{3})_{6}]\left [ Cr(CN)_{6} \right ]

    4. Geometrical


    5. Linkage

    (i) A (1) B (2) C (4) D (5)
    (ii) A (4) B (3) C (2) D (1)
    (iii) A (4) B (1) C (5) D (3)
    (iv) A (4) B (1) C (2) D (3)

    Answer:

    Option (iv) is the correct answer.
    Explanation : The types of ligands, arrangement of ligands and the geometry of coordination decide the isomerism in coordination compounds.
    (a) [Co (NH_{3})_{4}Cl_{2}]^{+} shows geometrical isomerism due to presence of two types of ligand whoes [Co (NH_{3})_{4}Cl_{2}]^{+} arrangement around central metal ion

    (b) cis-[Co (en)_{2}Cl_{2}]^{+} shows optical isomer due to its non - superimposable mirror image relationship.

    (c) [Co (NH_{3})_{5}(NO_{2})]Cl_{2} shows ionization isomer due to its interchanging ligand from outside the ionization sphere.
    (d) [Co (NH_{3})_{6}]\left [ Cr(CN)_{6} \right ] shows coordination isomerdue to interchanging of ligand in between two metal ions from one coordination sphere to another coordination sphere.
    Hence, correct choice is (d)

    Question:40

    In the following question match the items given in Columns I and II.
    Match the compounds given in Column I with the oxidation state of cobalt present in it (given in Column II) and assign the correct code.

    Column I (Compound)

    Column II (Oxidation state of Co)

    A. \left [ Co\left ( NCS \right )\left ( NH_{3} \right )_5 \right ]\left ( SO_{3} \right )

    1. +4

    B. \left [ Co\left ( NH_{3} \right )_{4}Cl_{2} \right ] SO_{4}

    2. 0

    C. Na_{4}\left [ Co(S_{2}O_{3}) _{3}\right ]

    3. +1

    D. [Co_{2}(CO)_{8}]

    4. +2


    5. +3

    (i) A (1) B (2) C (4) D (5)
    (ii) A (4) B (3) C (2) D (1)
    (iii) A (5) B (1) C (4) D (2)
    (iv) A (4) B (1) C (2) D (3)

    Answer:

    Option (iii) is the correct answer.
    Explanation: The oxidation state of the whole molecule is considered to calculate the oxidation state of CMI (central metal ion).
    (a) \left [ Co\left ( NCS \right )\left ( NH_{3} \right )_5 \right ]\left ( SO_{3} \right )
    Let oxidation state of Co be x.
    x-1+5\times 0=+2
    x=+2+1=+3
    (b) \left [ Co\left ( NH_{3} \right )_{4}Cl_{2} \right ] SO_{4}
    Let oxidation state of Co = x.
    \Rightarrow x+4\times0+2\times(-1)=+2
    x-2=+2
    x=4
    (c) Na_{4}\left [ Co(S_{2}O_{3}) _{3}\right ]
    Let oxidation state of Co = x.
    x+3\times(-2)=-4
    x-6=-4
    x=-4+6=+2
    (d) [Co_{2}(CO)_{8}]
    Let oxidation state of Co = x.
    x-8\times 0=0
    x=0
    Hence, correct choice is (d)

    NCERT Exemplar Class 12 Chemistry Solutions Chapter 9: Assertion and Reason Type

    Question:41

    In the following question a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.
    Assertion: Toxic metal ions are removed by the chelating ligands.
    Reason: Chelate complexes tend to be more stable.

    (i) Assertion and reason both are true, the reason is the correct explanation of assertion.
    (ii) Assertion and reason both are true, but the reason is not the correct explanation of assertion.
    (iii) An assertion is true, the reason is false.
    (iv) The assertion is false, the reason is true.
    Answer:

    Option (i) is correct answer.
    Explanation: Ligands chelate the metal ions by forming stable complex when solution of chelating ligands is added to a solution containing toxic metals.

    Question:42

    In the following question a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.
    Assertion:[Cr(H_{2}O)_{6}]Cl_{2} and [Fe(H_{2}O)_{6}]Cl_{2} are reducing in nature.
    Reason: Unpaired electrons are present in their d-orbitals.

    (i) Assertion and reason both are true, the reason is the correct explanation of assertion.
    (ii) Assertion and reason both are true, but the reason is not the correct explanation of assertion.
    (iii) An assertion is true, the reason is false.
    (iv) The assertion is false, the reason is true.
    Answer:

    Option (ii) is correct answer.
    Explanation: In both the complexes, \text {Cr and Fe} Coexist as \text {Cr}^{2+} and \text {Fe}^{2+} respectively, these both complexes become stable when oxidation of metal ion happens to \text {Cr}^{3+} and \text {Fe}^{3+}.

    Question:43

    In the following question a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.
    Assertion: Linkage isomerism arises in coordination compounds containing ambidentate ligand.
    Reason: Ambidentate ligand has two different donor atoms.

    (i) Assertion and reason both are true, the reason is the correct explanation of assertion.
    (ii) Assertion and reason both are true, but the reason is not the correct explanation of assertion.
    (iii) An assertion is true, the reason is false.
    (iv) The assertion is false, the reason is true.
    Answer:

    Option (i) is correct answer.
    Explanation: Two different donor atoms in ambidentate ligand gives rise to linkage isomerism.

    Question:44

    In the following question a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.
    Assertion: Complexes of MX6 and MX5L type (X and L are unidentate) do not show geometrical isomerism.
    Reason: Geometrical isomerism is not shown by complexes of coordination number 6.

    (i) Assertion and reason both are true, the reason is the correct explanation of assertion.
    (ii) Assertion and reason both are true, but the reason is not the correct explanation of assertion.
    (iii) An assertion is true, the reason is false.
    (iv) The assertion is false, the reason is true.
    Answer:

    Option (iii) is correct answer.
    Explanation: A different arrangement of ligands is not possible for complexes of MX6 and MX5L type. The complexes MA4B2, M(AA)2B2 and MA3B3 with coordination number 6 show geometrical isomerism.

    Question:45

    In the following question a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices.
    Assertion:[Fe(CN)_{6}]^{3-} ion shows magnetic moment corresponding to two unpaired electrons.
    Reason: Because it has d^{2}sp^{3} type hybridisation.

    (i) Assertion and reason both are true, the reason is the correct explanation of assertion.
    (ii) Assertion and reason both are true, but the reason is not the correct explanation of assertion.
    (iii) An assertion is true, the reason is false.
    (iv) The assertion is false, the reason is true.
    Answer:

    Option (iv) is correct answer.
    Explanation: Corresponding to one unpaired ion, [Fe(CN)_{6}]^{3-} shows magnetic moment.

    NCERT Exemplar Class 12 Chemistry Solutions Chapter 9: Long Answer Type

    Question:46

    Using crystal field theory, draw energy level diagram, write electronic configuration of the central metal atom/ion and determine the magnetic moment value in the following :(i) [ CoF_{6}]^{3-}, [Co(H_{2}O)_{6}]^{2+}, [Co(CN)_{6}]^{3-}
    (ii) [ FeF_{6}]^{3-}, [Fe(H_{2}O)_{6}]^{2+}, [Fe(CN)_{6}]^{4-}

    Answer:

    (i)
    [ CoF_{6}]^{3-} :
    \text {Co}^{3+}=\text {3d}^{6}
    Number of unpaired electrons =4
    Magnetic moment
    =\sqrt{n(n+2)}=\sqrt{4(4+2)}=4.9 B.M
    [Co(H_{2}O)_{6}]^{2+}

    \text {Co}^{2+}=\text {3d}^{7}
    Number of unpaired electrons =3
    Magnetic moment =\sqrt{3(3+2)}=3.87 B.M
    [Co(CN)_{6}]^{3-}

    \text {Co}^{3+}=\text {3d}^{6}
    Number of unpaired electrons =0
    Diamagnetic .
    (ii)
    [ FeF_{6}]^{3-}

    Fe^{3+}=3d^{5}
    Number of unpaired electrons =5
    Magnetic moment = \sqrt{5(5+2)}=5.92\; B.M
    [Fe(H_{2}O)_{6}]^{2+}

    Fe^{2+}=3d^{6}
    Number of unpaired electrons =4
    Magnetic moment = \sqrt{4(4+2)}=4.9 \; B.M
    [Fe(CN)_{6}]^{4-} :

    Fe^{2+}=3d^{6}
    Diamagnetic.

    Question:47

    Using valence bond theory, explain the following in relation to the complexes gives below:
    \left [ Mn(CN)_{6} \right ]^{3-},\left [ Co(NH_{3})_{6} \right ]^{3+},\left [ Cr(H_{2}O) _{6}\right ]^{3+},\left [ FeCl_{6} \right ]^{4-}
    (i) Type of hybridisation.
    (ii) Inner or outer orbital complex.
    (iii) Magnetic behaviour.
    (iv) Spin only magnetic moment value.

    Answer:

    \left [ Mn(CN)_{6} \right ]^{3-} :
    Mn^{3+}=3d^{4}
    (i) Hybridisation - d^{2}sp^{3}
    (ii) Inner orbital complex
    (iii) Paramagnetic
    (iv) Magnetic moment \sqrt{2(2+2)}=2.87 \; B.M
    \left [ Co(NH_{3})_{6} \right ]^{3+}:
    Co^{3+}=3d^{6}

    (i) Hybridisation - d^{2}sp^{3}
    (ii) Inner orbital complex
    (iii) Diamagnetic
    (iv) Magnetic moment=0
    \left [ Cr(H_{2}O) _{6}\right ]^{3+}
    Cr^{3+}=3d^{3}

    (i) Hybridisation - d^{2}sp^{3}
    (ii) Inner orbital complex
    (iii) Paramagnetic
    (iv) Magnetic moment=\sqrt{3(3+2)}=3.87 \; B.M
    \left [ FeCl_{6} \right ]^{4-}
    Fe^{2+}=3d^{6}

    (i) Hybridisation - sp^{3}d^{2}
    (ii) Outer orbital complex
    (iii) Paramagnetic
    (iv) Magnetic moment=\sqrt{4(4+2)}=4.9 \; B.M

    Question:48

    \text {CoSO}_{4}\text {Cl}.\text {5NH}_{3} exists in two isomeric forms ‘A’ and ‘B’. Isomer ‘A’ reacts with \text {AgNO}_{3} to give white precipitate, but does not react with \text {BaCl}_{2} . Isomer ‘B’ gives white precipitate with \text {BaCl}_{2} but does not react with \text {AgNO}_{3}. Answer the following questions.

    (i) Identify ‘A’ and ‘B’ and write their structural formulas.
    (ii) Name the type of isomerism involved.
    (iii) Give the IUPAC name of ‘A’ and ‘B’.

    Answer:

    \text {CoSO}_{4}\text {Cl}.\text {5NH}_{3} :
    (i). The first isomer A reacts with \text {AgNO}_{3} and not with \text {BaCl}_{2}, that means it has a \text {Cl}^{-} ion outside the coordination sphere. Therefore, A is \left [ Co\left ( NH_{3} \right )_{5}SO_{4} \right ]Cl
    B reacts with \text {BaCl}_{2} and does not react with \text {AgNO}_{3}, that means it has SO^{-}_{4} outside the coordination sphere. Therefore B is \left [ Co\left ( NH_{3} \right )_{5}Cl\right ]SO_{4}
    (ii). Ionisation Isomerism
    (iii). A is Pentaamminesulphatocobalt (III) chloride while B is Pentaamminechlorocobalt (III) sulphate.

    Question:49

    What is the relationship between observed colour of the complex and the wavelength of light absorbed by the complex?
    Answer:

    Some part of the white light is absorbed when it falls on a complex compound. The crystal field splitting is inversely proportional to the wavelength absorbed by the complex i.e. higher the crystal field splitting, lower is the wavelength absorbed by the complex. The observed color by the complex is the color generated from the wavelength left over.

    Question:50

    Why are different colours observed in octahedral and tetrahedral complexes for the same metal and same ligands?
    Answer:

    In octahedral complex, the lower wavelength of light is absorbed more than tetrahedral complex for a same metal and ligand. Formation of the d-orbital splitting is inverted in tetrahedral coordination entity and it is smaller than the octahedral field splitting. It can be shown as below for a same metal ligand.
    \Delta _{t}=\left ( \frac{4}{9} \right )\Delta _{o}.

    As per NCERT exemplar class 12 Chemistry solutions chapter 9 Coordination Compounds, the multiple-choice question helps students to have a varied option while they solve the problems. These questions are taken from the NCERT Exemplar Class 12 Chemistry Solutions Chapter 9; therefore, the students can ace it if they are thorough with the text.

    Major Subtopics in NCERT Exemplar Class 12 Chemistry Solutions Chapter 9 Coordination Compounds

    • Coordination Compounds
    • Werner’s Theory of Coordination Compounds
    • Definitions of Some Important Terms Pertaining to Coordination Compounds
    • Nomenclature of Coordination Compounds
    • Isomerism in Coordination Compounds
    • Bonding in Coordination Compounds
    • Bonding in Metal Carbonyls
    • Stability of Coordination Compounds
    • Importance and Applications of Coordination Compounds

    NCERT Exemplar Class 12 Chemistry Solutions Chapter 9 Coordination Compounds - Learning Outcome

    In Class 12 Chemistry NCERT exemplar solutions chapter 9 the students will learn about the different topics where they will get to know that there are two types of valency. They will also get to know about isomerism, such as optical isomerism and geometrical isomerism exist in coordination compounds. Every topic in this NCERT exemplar solutions for Class 12 Chemistry chapter is fairly detailed and accurately explained.

    This helps Students learn about the qualitative analysis in labs for gravimetric analysis and volumetric analysis and calorimetric analysis. This is important to learn as its used agriculture for regulating the concentration of certain metal ions in the soil. It is used while making antidote in medicine for heavy metal poisoning. Overall, NCERT exemplar Class 12 Chemistry solutions chapter 9 apart from being informative, it is also fun and interesting for all those chemistry lovers who love to find different reactions and compounds.

    NCERT Exemplar Class 12 Chemistry Solutions

    Important Topics in NCERT Exemplar Class 12 Chemistry Solutions Chapter 9 Coordination Compounds

    · These are a few important aspects of the coordination compounds:

    EDTA; 1, 10 -phenanthroline, dimercaprol, D- penicillamine. These topics are provided in detailed in the NCERT exemplar class 12 chemistry chapter 9 solutions.

    NCERT exemplar Class 12 Chemistry solutions chapter 9 talks about the addition of molecular compounds which retain their identity in solid state as well as in dissolved state. In these compounds. The central metal atom or ion is linked by ions or molecules with coordinate bonds.

    · it provides a detailed insight about the valency and bonding between various compounds. The structures are detailed and fairly good which help the students have a better understanding about the chapter.

    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. 1. What is class 12 Chemistry Chapter 9

    -        The class 12 coordination compounds solutions will help students to address their doubts and conceptual mistakes. Working on these [problems and questions will make them well prepared for their upcoming board exams. 

    2. 2. Who can benefit from these NCERT exemplar Class 12 Chemistry chapter 9 solutions?

    -        Students who are preparing for the board exams and students preparing for entrance exams, both can equally benefit from this.

    3. 3. How to download these NCERT exemplar Class 12 Chemistry solutions Chapter 9?

    -        One can download the solutions in PDF format from the solutions page itself by a single link on the given link.

    4. 4. What one can learn from this class 12 chemistry NCERT exemplar solutions chapter 9?

    -        Students will learn about the coordination compounds and their valency. they will also learn about its types and the chemical reactions with various other compounds. 

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    Questions related to CBSE Class 12th

    Have a question related to CBSE Class 12th ?

    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

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    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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