NCERT Class 11 Chemistry Notes - Download Chapter wise PDF Notes

NCERT Class 11 Chemistry Notes - Download Chapter wise PDF Notes

Edited By Irshad Anwar | Updated on Dec 12, 2024 02:29 PM IST

Class 11 Chemistry Notes are the revision notes that discuss all the chapters covered in the Class 11th NCERT Chemistry. The chapter-wise Chemistry Class 11 notes help to learn the syllabus in detail. Included units in chemistry notes for Class 11 are a total of 14 chapters, 7 in Part A and 7 in Part B. NCERT Class 11 Chemistry Book chapter-wise notes include a total of 14 chapters. Our meticulously curated CBSE Class 11 Biology Notes serve as your best guide to success. In this article, we delve into the intricacies of Chemistry notes for Class 11, ensuring you are well-prepared for the CBSE 11th Class Chemistry examinations. The NCERT Class 11 Chemistry notes are revision notes on Class 11 NCERT Chemistry chapters. The Class 11 Chemistry revision notes can be downloaded, and the CBSE Class 11 Chemistry notes PDF can be used offline.

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Chapter wise Chemistry Notes For Class 11

NCERT Class 11 Chemistry notes include 22 chapters, of which 5 have been removed by NCERT from the CBSE syllabus. CBSE Class 11th is the base for advanced topics in the related subjects that will appear in Class 12. Thus, it becomes mandatory for Class 11 students to read and understand each of the topics in the easiest and most effective way for the NCERT Notes for Class 12. The NCERT Chemistry Class 11 Notes provide important notes on all the chapters. To optimise the study methodology, having revision notes and NCERT Solutions handy saves you time during revision.

CBSE Class 11 Chemistry Notes explain all the important concepts, equations, reactions, and frequently asked questions. Students can easily download all the NCERT Notes for Class 11 Chemistry PDF for free and score good marks in their board examination. Class 11 Chemistry chapter notes help to learn the syllabus in detail, which includes the physical, inorganic, and organic chapters of NCERT Class 11 Chemistry Book.

Following are the links to the Class 11 Chemistry Notes PDF download for all chapters:

Deleted/Removed Chapter From Class 11 Chemistry

The five chapters have been removed from the revised NCERT Class 11 Chemistry Textbook 2023–24. These chapters are listed below:

CBSE Class 11 Chemistry chapters notes explain all the necessary reactions with examples, derivations and laws. Students can easily download all the chapters from the Class 11 Chemistry chapter's notes PDF and score good marks in their board examination.

Also, students can refer,

Chapter-wise Breakdown of CBSE Class 11 Chemistry Notes

Chapter 1, Some Basic Concepts of Chemistry

The NCERT Class 11 Chemistry chapter 1 Notes talk about Some Basic Concepts of Chemistry. The main topics covered in Class 11 Chemistry Chapter 1 notes are the nature of matter, mixtures, pure substances, properties of matter and their measurements, uncertainty in measurements, the law of chemical theory, Dalton’s theory, atomic and molecular masses, mole concepts, stoichiometry, limiting reagents, and concepts like molality, molarity, mass percentage, and mole fraction. This chapter on Some Basic Concepts of Chemistry Class 11 notes also includes some FAQs to clarify some of the most frequent and important questions.

Chapter 2, Structure of Atom

The NCERT Class 11 Chemistry chapter 2 Notes talk about the Structure of atoms. The main topics covered in Class 11 Chemistry chapter 2 notes are: electron discharge tube experiment, charge on the electron, the discovery of the proton anode, Thomson model, Rutherford Alpha particle scattering experiment, Bohr’s model, black body radiation, Planck's quantum theory, photoelectric effect, dual behaviour of electromagnetic radiation, types of spectra, Bohr's model of an atom, quantum mechanical model of the atom, and quantum numbers. This chapter on Structure of Atom Class 11 notes also includes some FAQs to clarify some of the most frequent and important questions.

Chapter 3, Classification of Elements and Periodicity in Properties

Classification of elements and periodicity in properties is very important for Class 11 since it explains basics like chemical bonding and periodicity. Class 11 Chemistry chapter 3 notes cover the ideas of elements and periodic classification. An electronic configuration aids in the classification of elements into a periodic table. CBSE Class 11 Chemistry chapter 3 notes go over the various classifications, such as d-block, p-block, s-block, and f-block. Students can learn more about these subjects by reading the CBSE Class 11 Chemistry revision notes solution chapter 3.

Chapter 4, Chemical Bonding and Molecular Structure

The NCERT Class 11 Chemistry chapter 4 Notes talk about Chemical Bonding and Molecular Structure. The chapter included the mind map of every topic, and then after the chapter contains the explanatory part, which involves KÖssel-Lewis’s approach to chemical bonding, the octet rule, and its limitations, drawing Lewis structures of simple molecules, VSEPR theory, valence bond theory, molecular orbital theory of homo-nuclear diatomic molecules, and concepts of hydrogen bonding. This chapter on Chemical Bonding and Molecular Structure Class 11 notes also includes some FAQs to clarify some of the most frequent and important questions.

Chapter 5, States of Matter

The NCERT Class 11 chapter 5 Notes gives us a brief intro of the Liquefaction of gases, Viscosity, Surface tension, Vapour pressure, Liquid state. Kinetic energy and molecular speeds, Kinetic molecular theory of gases, Deviation from ideal gas behaviour, and the graphs related to it are the highlighting key features of States of matter 11 Notes. CBSE Class 11 Chemistry chapter 5 notes also cover the basic equations in the chapter. The important Laws and their derivations are also covered in the CBSE Class 11 Chemistry chapter 5 notes.

Chapter 6, Thermodynamics

The NCERT Class 11 chapter 6 Notes gives us a brief intro of the system and surroundings, state functions, applications related to it. Enthalpy, heat capacities, extensive and intensive properties are also included to understand the concept more precisely. Hess’s law, spontaneous and non-spontaneous processes, Gibbs energy are the highlighting key feature of Thermodynamics 11 Notes. CBSE Class 11 Chemistry chapter 6 notes also cover the basic equations in the chapter. The important Laws and their derivations are also covered in the CBSE Class 11 Chemistry chapter 6 notes.

Chapter 7, Equilibrium

The NCERT Class 11 Chemistry chapter 4 Notes talk about Equilibrium. The main topics covered in class 11th chemistry chapter 7 notes are types of equilibrium, Equilibrium involving dissolution of solids or liquids in gases, Equilibrium constant, the relationship between equilibrium and Gibbs free energy, factors affecting equilibria, acids bases and salts, common ion effect, buffer solution, and solubility. This chapter on Equilibrium class 11 notes also includes some FAQs to clarify some of the most frequent and important questions.

Chapter 8, Redox Reactions

The main topics covered in redox reaction Class 11 notes are Electrochemical cell, Salt bridge, Standard hydrogen electrode, Oxidation and redox reactions, Redox reactions in terms of electron transfer reactions, Oxidation number-types of a redox reaction, balancing of a redox reaction, redox reactions as the basis for titrations, limitation of concepts of oxidation number, and Redox reactions and electrode processes. This chapter on Redox Reactions Class 11 notes also includes some FAQs to clarify some of the most frequent and important questions.

Chapter 9, Hydrogen

Class 11 Chemistry chapter 9 notes are focused on the topic of hydrogen and are organised in such a way that students can learn everything there is to know about the element in depth. Students will learn about hydrogen, isotopes, characteristics, reactions, periodic table position, and other essential topics by studying the CBSE Class 11 Chemistry chapter 9 notes. Hydrogen Class 11 notes are also constructed with the most recent NCERT syllabus. Notes for Class 11 Chemistry chapter 9 contain all relevant information in the chapter Hydrogen concisely. In addition to this, students can refer to the following links, and use them as a reference tool to finish their revisions on time, prepare effectively, and get better results on final exams.

Chapter 10, The s-block Elements

S-block elements are one of the important chapters of Class 11 Chemistry. The chapter includes an alkali metal of group 1 and alkaline earth metals of group 2. Also includes other physical and chemical properties and the general characteristics of alkaline earth metals. The S-block elements Class 11 notes will help students acquire the basic information of S-Block elements in the periodic table.

Chapter 11, The p-Block Elements

The P-Block elements are one of the important chapters of Class 11 Chemistry. It includes the elements present in the groups from 13 to 18. It is very important to learn more about the periodic table. It also includes the physical and chemical properties of elements. And also uses and properties of some of its compounds. The P-block elements Class 11 notes include the very important details of P-Block elements and it will help students acquire basic information of the periodic table.

Chapter 12, Organic Chemistry: Some Basic Principles and Techniques

NCERT Class 11 Chemistry chapter 12 Notes based on finding the reason for tetravalence and writing the names of organic structures with rules. The chapter Organic Chemistry: Some Basic Principles and Techniques, Class 11 Notes, also includes the IUPAC nomenclature and concept of mechanism for organic reactions. NCERT Chapter 12, Class 11, deals with electronic displacements and also the reactivity of organic compounds.

Chapter 13, Hydrocarbons

NCERT Class 11 Chemistry Chapter 13 Notes are based on recognising the structure and IUPAC names of hydrocarbons and how they are prepared. The chapter Hydrocarbons Class 11 Notes also differentiates the conformations of ethane and the application of hydrocarbons. NCERT Chapter 13 Class 11 makes it easier to predict the additional products of alkenes and alkynes that are unsymmetrical.

Chapter 14, Environmental Chemistry

The NCERT Class 11 Chemistry chapter 4 Notes talk about Chemical Bonding and Molecular Structure. The main topics covered in Class 11 Chemistry chapter 14 notes are environmental pollution, pollutants, Gaseous air pollutants, Global warming and greenhouse effect, Acid rain, Particulate pollutants, smog, Stratospheric pollution, Effect of depletion of the ozone layer, water pollution, soil pollution, Strategies to control environmental pollution, and Green chemistry. This chapter on Environmental Chemistry Class 11 notes also includes some FAQs to clarify some of the most frequent and important questions.

Significance of NCERT Class 11 Chemistry Chapter-Wise Notes

NCERT Class 11 Chemistry chapter notes are helpful to revise the chapter and get an idea about the main topics covered in the chapters. Also, these NCERT Class 11 Chemistry chapter notes are useful for competitive exams like VITEEE, BITSAT, JEE Main, NEET, etc,. Class 11 Chemistry Chapter Notes PDF Download can be very helpful in reading through the paper.

Other CBSE NCERT Study Resources

Class 11 students can access the notes, solutions, and exemplars for all subjects.

Subject-Wise NCERT Notes

Subject Wise NCERT Exemplar Solutions

Subject Wise NCERT Solutions

NCERT Books and Syllabus

Frequently Asked Questions (FAQs)

1. Which chapter is allotted maximum marks in the NCERT Class 11 Chemistry?

Maximum marks are generally allotted to NCERT chapter 12 Organic Chemistry: Some Basic Principles and Techniques.

2. From which chapter maximum number of questions are asked in the board exams in Chemistry Class 11?

 In general, chapters on Organic Chemistry: Some Basic Principles and Techniques, Some Basic Concepts of Chemistry, Chemical Bonding and Molecular Structure, Equilibrium and Hydrocarbons form most of the questions in the board exam in Chemistry Class 11.

3. How important is Chemistry for competitive exams?

Chemistry is very important for competitive exams because it forms 1/3 portion in JEE exams and NEET exams.

4. How beneficial are Class 11 chemistry notes?

NCERT Class 11 chemistry chapter-wise notes are helpful to revise the chapter and to get an idea about the main topics covered in the chapters. Also, this NCERT class 11 chemistry chapter notes are useful for competitive exams like VITEEE, BITSAT, JEE Main, NEET, etc. Class 11 Chemistry chapter-wise notes pdf download can be very helpful in reading through the paper.

5. Are these pdfs free to download?

Yes, Class 11 Chemistry chapter-wise notes pdf are free to download and study.

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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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