Chemistry Class 11 CBSE Syllabus (New) 2020-21

The first step towards the development of any exam is to gain expertise in its syllabus. The synopsis of Chemistry is rather vast and the candidates are recommended to include the whole syllabus without skipping anything as all the topics are correlated from a competitive exam duration of view. The knowledge connected to the subject of Chemistry has survived major changes over the years and the candidates must check the most modern syllabus for the same. This article provides the candidates the entire and latest details related to the Chemistry Class 11 CBSE Syllabus 2021-2022.

Unit-wise Chemistry Class 11 CBSE Syllabus 2021

The class 11 Chemistry subject syllabus consists of different major topics divided into 14 separate units. Candidates can control all these units and the results that they cover from below.

Unit I: Some Basic Concepts of Chemistry 11th Class (12 Periods)

Meaning and Scope of Chemistry, Laws of Chemical Combination, Dalton’s Atomic Theory, Atoms and Molecules, Atomic and Molecular Masses, Mole Concept and Molar Mass, Chemical Reactions, Nature of Matter, Empirical and Molecular Formula, Percentage Composition, Concept of Elements, Stoichiometry and Calculations Based On It.

Unit II: Structure of Atom 11th Class (14 Periods)

Bohr’s Model and Its Boundaries, Dual Nature of Matter and Light, Shells and Sub-Shells, Quantum Numbers, De Broglie’s Relationship, Concept of Orbital, Heisenberg Uncertainty Principle, Pauli’s Exclusion Principle, Shapes of s, p and d Orbital, Rules For Filling Electrons In Orbital- Aufbau Principle, Electronic Configuration of Atoms, and Hund’s Rule, Stability of Half-Filled and Completely-Filled Orbital

Unit III: Classification of Elements and Periodicity in Properties 11th Class (8 Periods)

Modern Periodic Law, Periodic Trends In Properties of Elements-Atomic Radii, Valency, Electro-negativity,  Present Form of Periodic Table, Electron Gain Enthalpy, Ionization Enthalpy,  Ionic Radii, Inert Gas Radii, Nomenclature of Elements With Atomic Number Above 100

Unit IV: Chemical Bonding and Molecular structure 11th Class (14 Periods)

Ionic Bond, Covalent Bond, Bond Parameters, Valence Electrons, Polar Character of Covalent Bond, Molecular Orbital Theory of Homo-Nuclear Diatomic Molecules, Lewis Structure, Valence Bond Theory, Concept of Hybridization Involving s,  Covalent Character of Ionic Bond, Geometry of Covalent Molecules, p and d-Orbital, Shapes of Some Simple Molecules, VSEPR Theory, Hydrogen Bond

Unit V: States of Matter: Gases and Liquids 11th Class (12 Periods)

The states of Matter, Types of Bonding, Melting and Boiling Points, Role of Gas Laws In Elucidating The Concept of The Molecule, Intermolecular Interactions, Gay-Lussac’s Law, Avogadro’s Number, Charles Law, Ideal Gas Equation, Ideal Behaviour, Deviation From Ideal Behaviour, Avogadro’s Law, Boyle’s Law, Kinetic Energy, and Molecular Speeds Liquid State, Critical Temperature, Empirical Derivation of Gas Equation, Liquefaction of Gases, Vapour Pressure, Viscosity, and Surface Tension

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Unit VI: Chemical Thermodynamics 11th Class (16 Periods)

Concepts of System and Types of Systems, Extensive and Intensive Properties, State Functions, Heat, Energy, Work, Atomization, Laws of Thermodynamics, and Dilution, Heat Capacity and Specific Heat,  Surroundings, Internal Energy and Enthalpy, Formation, Hess’s Law of Constant Heat Summation,  Measurement of ∆U and ∆H, Sublimation, Phase Transition, Combustion, Ionization, Enthalpy of Bond Dissociation, Gibb’s Energy Change For Spontaneous and Non-Spontaneous Processes, Entropy As A State Function, Criteria For Equilibrium

Unit VII: Equilibrium 11th Class (14 Periods)

Dynamic Nature of Equilibrium, Equilibrium In Physical and Chemical Processes,  Factors Affecting Equilibrium- LeChatelier’s Principle,  Law of Mass Action, Ionization of Poly Basic Acids, Equilibrium Constant, Ionic Equilibrium- Ionization of Acids and Bases,  Acid Strength, Solubility Product,  Strong and Weak Electrolytes,  Degree of Ionization, Henderson Equation, Concept of pH, Hydrolysis of Salts, Common Ion Effect, Buffer Solution.

Unit VIII: Redox Reactions 11th Class (6 Periods)

Concept of Oxidation and Reduction, Oxidation Number, Balancing Redox Reactions,  Redox Reactions, Redox Reactions Applications, Loss and Gain of Electrons, and Change In Oxidation Number.

Unit IX: Hydrogen 11th Class (8 Periods)

Position of Hydrogen In Periodic Table, Preparation, Hydrides-Ionic Covalent and Interstitial, Occurrence, Isotopes, Physical and Chemical Properties of Water, Properties, Hydrogen Peroxide-Preparation, and Uses of Hydrogen, Heavy Water, Structure, Reactions and Hydrogen As A Fuel

Unit X: s-Block Elements (Alkali and Alkaline Earth Metals) 11th Class (10 Periods)

General Introduction, Occurrence, Anomalous Properties of The First Element of Each Group, Trends In The Variation of Properties, Uses, Electronic Configuration Trends In Chemical Reactivity With Oxygen,  Preparation and Properties of Some Important Compounds, Water, Diagonal Relationship, Hydrogen and Halogens, Calcium Oxide and Calcium Carbonate & Their Industrial Uses, Biological Importance of Magnesium and Calcium.

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