Do you know why milk turns sour, how grease is removed with the help of soap and what causes ripening of fruits and rusting of iron? The answer to all these everyday phenomena lies in class 11 chemistry. This syllabus includes chapters like Chemical reactions, energy change, atomic structure, thermodynamics, basic organic chemistry, etc. These ncert class 11 chemistry notes provide clear and detailed explanations of each chapter to understand core concepts and revise quickly before exams. These notes offer clear understanding to CBSE boards and competitive exams like JEE, NEET.
NCERT Notes for Class 11 Chemistry Chapter wise
The NCERT Class 11 Chemistry notes include 9 chapters. CBSE Class 11 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 with the help of these notes.
These Notes explain all the important concepts, equations, reactions, previous year questions and frequently asked questions. Chemistry notes help to learn the syllabus in detail, which includes the physical, inorganic, and organic chapters of the NCERT Class 11 Chemistry Book. This book is divided into two parts with a total of 9 chapters; part 1 contains 6 chapters and part 2 contain 3 chapters.
Chapter-wise Breakdown of CBSE Class 11 Chemistry Notes
The chapter wise breakdown of chemistry class 11 notes provides a clear and structured way to study each topic in detail. These notes cover all important concepts, formulas, and definitions from the NCERT textbook. Students can use chapter-wise notes for exam preparation, reference, and understanding of key topics.
Chapter 1-Some Basic Concepts of Chemistry
Some Basic Concepts of Chemistry will help you learn the properties of matter and the principles and laws related to it. The important topics covered are,
Chapter 2-Structure of Atom
Chapter 2 contain all the concepts related discussed in the chapter. This chapter on Structure of Atom Class 11 notes also includes some FAQs to clarify some of the most frequent and important questions.The important topics covered in chemistry class 11 notes are given below:
2.1 Discovery of Subatomic Particles |
2.2 Atomic Models |
2.3 Developments leading to the bohr’s model of atom |
2.4 Bohr’s Model for the Hydrogen Atom |
2.5 Towards a Quantum Mechanical Model of an Atom |
2.6 Quantum Mechanical Model of an Atom |
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. The NCERT Class 11 Chemistry notes of chapter 3 focuses on representing the concepts in the easiest way possible. The important topics covered chapter 3 are -
Chapter 4-Chemical Bonding and Molecular Structure
The chapter Chemical bonding and molecular structure talks about the structure, the bond formation, and the properties of the molecules. The concepts discussed in the chemistry class 11 notes chapter 4 hold high importance as it form the basis for inorganic chemistry. The important topics covered are-
4.1 Kossel-Lewis Approach to Chemical Bonding |
4.2 Ionic or electrovalent Bond |
4.3 Bond parameters |
4.4 VSEPR theory |
4.5 Valence bond theory |
4.6 Hybridisation |
4.7 Molecular orbital theory |
4.8 Bonding in Some Homonuclear Diatomic Molecules |
4.9 Hydrogen bonding |
Chapter 5-Thermodynamics
The ncert class 11 chemistry notes chapter 5 features the relationship between heat and other forms of energy. This is one of the most important chapters in Physical chemistry. The important topics covered are-
5.1 Thermodynamic terms |
5.2 Applications |
5.3 MeasuremenT of ∆U and ∆H: calorimetry |
5.4 Enthalpy change, ∆H of a reaction – Reaction enthalpy |
5.5 Enthalpies for different Types of reactions |
5.6 Spontaneity |
5.7 Gibbs energy change and equilibrium |
Chapter 6-Equilibrium
Chapter 6 give a clear idea of the concepts mentioned in the chapter. Chemical equilibrium is the state in which neither the reactants nor the products can alter any further. When a system attains equilibrium, the forward and backward reaction rates remain constant. The important topics covered are-
6.1 Equilibrium in Physical Processes |
6.2 Equilibrium in Chemical Processes – Dynamic Equilibrium |
6.3 Law of Chemical Equilibrium and Equilibrium Constant |
6.4 Homogeneous Equilibria |
6.5 Heterogeneous Equilibria |
6.6 Applications of Equilibrium Constants |
6.7 Relationship Between Equilibrium Constant K, Reaction Quotient Q And Gibbs Energy G |
6.8 Factors Affecting Equilibria |
6.9 Ionic Equilibrium in Solution |
6.10 Acids, Bases, and Salts |
6.11 Ionisation of Acids and Bases |
6.12 Buffer Solutions |
6.13 Solubility Equilibria of Sparingly Soluble Salts |
Chapter 7-Redox Reactions
The NCERT class 11 notes for Redox Reactions give you a clear idea of all the important concepts. You can also practice questions from NCERT Exemplar as it includes all types of questions. The important topics covered are-
7.1 Classifical idea of Redox reactions- Oxidation and Reduction Reactions |
7.2 Redox Reactions in Terms of Electron Transfer Reactions |
7.3 Oxidation Number |
7.4 Redox Reactions and Electrode Processes |
Chapter 8-Organic Chemistry-Some Basic Principles and Techniques
The chapter is too crucial for building the basis of organic chemistry. The NCERT Class 11 Chemistry notes will be quite helpful since it will help you understand the fundamentals in the easiest way possible. The important topics covered in NCERT are-
8.1 General introduction |
8.2 Tetravalence of Carbon: Shapes of Organic Compounds |
8.3 Structural Representations of Organic Compounds |
8.4 Classification of Organic Compounds |
8.5 Nomenclature of Organic Compounds |
8.6 Isomerism |
8.7 Fundamental Concepts in Organic Reaction Mechanism |
8.8 Methods of Purification of Organic Compounds |
8.9 Qualitative Analysis of Organic Compounds |
8.10 Quantitative Analysis |
Chapter 9-Hydrocarbons
Hydrocarbons are building blocks of fuels, plastics, and many essential chemicals. The NCERT Notes for Class 11 Chemistry chapter 9 has presented all the concepts in simple yet informative way. The compounds that are formed with the help of carbon and hydrogen are known as Hydrocarbons. The notes will help you distinguish a variety of hydrocarbons, e.g. saturated or unsaturated hydrocarbons, cyclic or acyclic, aromatic or non-aromatic etc.