NCERT Solutions for Class 11 Chemistry

Unit 1 Some Basic Concepts of Chemistry

In this chapter the main key concepts you will be reading are Importance of Chemistry, Nature of Matter, Properties of Matter and their Measurement, Uncertainty in Measurement, Laws of Chemical Combinations, Dalton’s Atomic Theory, Atomic and Molecular Masses, Mole Concept and Molar Masses, Percentage Composition, Stoichiometry and Stoichiometric Calculations.

Unit 2 Structure of Atom

In this chapter the main key concepts you will be reading are Discovery of Sub-atomic Particles, Atomic Models, Developments Leading to the Bohr’s Model of Atom, Bohr’s Model for Hydrogen Atom, Towards Quantum Mechanical Model of the Atom, Quantum Mechanical Model of Atom.

Unit 3 Classification of Elements and Periodicity in Properties

In this chapter the main key concepts you will be reading are Why do we Need to Classify Elements? Genesis of Periodic Classification, Modern Periodic Law and the present form of the Periodic Table, Nomenclature of Elements with Atomic Numbers, Electronic Configurations of Elements and the Periodic Table, Electronic Configurations and Types of Elements: s-, p-, d-, f- Blocks, Periodic Trends in Properties of Elements.

Unit 4 Chemical Bonding and Molecular Structure

In this chapter the main key concepts you will be reading are Kössel-Lewis Approach to Chemical Bonding, Ionic or Electrovalent Bond, Bond Parameters, The Valence Shell Electron Pair Repulsion (VSEPR) Theory, Valence Bond Theory, Hybridisation, Molecular Orbital Theory, Bonding in Some Homo-nuclear Diatomic Molecules, Hydrogen Bonding

Unit 5 States of Matter

In this chapter the main key concepts you will be reading are Intermolecular Forces, Thermal Energy, Intermolecular Forces vs Thermal Interactions, The Gaseous State, the Gas Laws, Ideal Gas Equation, Kinetic Energy and Molecular Speeds, Kinetic Molecular Theory of Gases, Behaviour of Real Gases: Deviation from Ideal Gas Behaviour, Liquefaction of Gases, Liquid State.

Unit 6 Thermodynamics

In this chapter the main key concepts you will be reading are Thermodynamic Terms, Applications, Measurement of ∆U and ∆H: Calorimetry, Enthalpy Change, ∆rH of a Reaction – Reaction Enthalpy, Enthalpies for Different Types of Reactions, Spontaneity, Gibbs Energy Change and Equilibrium.

Unit 7 Equilibrium

In this chapter the main key concepts you will be reading are Equilibrium in Physical Processes, Equilibrium in Chemical Processes – Dynamic Equilibrium, Law of Chemical Equilibrium and Equilibrium Constant, Homogeneous Equilibria, Heterogeneous Equilibria, Applications of Equilibrium Constants, Relationship between Equilibrium Constant K, Reaction Quotient Q and Gibbs Energy G, Factors Affecting Equilibria, Ionic Equilibrium in Solution, Acids, Bases and Salts, Ionization of Acids and Bases, Buffer Solutions, Solubility Equilibria of Sparingly Soluble Salts.

Unit 8 Redox Reactions

In this chapter the main key concepts you will be reading are Classical Idea of Redox Reactions-Oxidation and Reduction, Redox Reactions in Terms of Electron Transfer Reactions, Oxidation Number, Redox Reactions and Electrode Processes.

Unit 9 Hydrogen

In this chapter the main key concepts you will be reading are Position of Hydrogen in the Periodic Table, Dihydrogen, H2, Preparation of Dihydrogen, H2 Properties of Dihydrogen, Hydrides, Water, Hydrogen Peroxide (H2O2), Heavy Water, D2O, and Dihydrogen as a Fuel.

Unit 10 The s-Block Elements

In this chapter the main key concepts you will be reading are Group 1 Elements: Alkali Metals, General Characteristics of the Compounds of the Alkali Metals, Anomalous Properties of Lithium, Some Important Compounds of Sodium, Biological Importance of Sodium and Potassium. Group 2 Elements : Alkaline Earth Metals, General Characteristics of Compounds of the Alkaline Earth Metals, Anomalous Behaviour of Beryllium, Some Important Compounds of Calcium, Biological Importance of Magnesium and Calcium.

Unit 11 The p-Block Elements

In this chapter the main key concepts you will be reading are Group 13 Elements: The Boron Family, Important Trends and Anomalous Properties of Boron, Some Important Compounds of Boron, Uses of Boron and Aluminium and their Compounds, Group 14 Elements: The Carbon Family, Important Trends and Anomalous Behaviour of Carbon, Allotropes of Carbon, Some Important Compounds of Carbon and Silicon.

Unit 12 Organic Chemistry – Some Basic Principles and Techniques

In this chapter the main key concepts you will be reading are General Introduction, Tetra valence of Carbon: Shapes of Organic Compounds, Structural Representations of Organic Compounds, Classification of Organic Compounds, Nomenclature of Organic Compounds, Isomerism, and Fundamental Concepts in Organic Reaction Mechanism, Methods of Purification of Organic Compounds, Qualitative Analysis of Organic Compounds, and Quantitative Analysis

Unit 13 Hydrocarbons

In this chapter the main key concepts you will be reading are Classification, Alkynes, Aromatic Hydrocarbon, Carcinogenicity and Toxicity

Unit 14 Environmental Chemistry

In this chapter the main key concepts you will be reading are Environmental Pollution, Atmospheric Pollution, Water Pollution, Soil Pollution, Industrial Waste, Strategies to control Environmental Pollution, Green Chemistry.