The first step towards the development of any exam is to gain experience of its syllabus. The syllabus of Chemistry is rather vast and the candidates are suggested to include the whole syllabus without skipping anything as all the topics are associated from a competitive exam point of view. The knowledge compared to the subject of Chemistry has endured major changes over the years and the applicants must check the latest syllabus for the same. This article provides the applicants the entire and latest details related to the Chemistry Class 11 CBSE Syllabus 2021.
Unit-wise Chemistry Class 11 CBSE Syllabus 2021
The class 11 Chemistry subject syllabus consists of different major topics separated into 14 separate units. Candidates can check all these units and the issues that they cover from below.
Unit I : Some Basic Concept of Chemistry 11th Class (12 Period)
Meaning and Scope of Chemistry, Laws of Chemical Combination, Dalton’s Atomic Theory, Atoms and Molecules, Concept of Elements, Atomic and Molecular Masses, Mole Concept and Molar Mass, Chemical Reactions, Nature of Matter, Empirical and Molecular Formula, Percentage Composition, Stoichiometry and Calculations Based On It.
Unit II : Structure of Atom 11th Class (14 Period)
Bohr’s Model and Its Boundaries, Dual Nature of Matter and Light, Shells and Sub-Shells, Quantum Numbers, De Broglie’s Relationship, Electronic Configuration of Atoms, Concept of Orbital, Heisenberg Uncertainty Principle, Shapes of s, p and d Orbital, Rules For Filling Electrons In Orbital- Aufbau Principle, and Hund’s Rule, Pauli’s Exclusion Principle, Stability of Half-Filled and Completely-Filled Orbital
Unit III: Classification of Elements & Periodicity in Properties 11th Class (8 Period)
Modern Periodic Law, Periodic Trends In Properties of Elements-Atomic Radii, Valency, Electro-negativity, Present Form of Periodic Table, Inert Gas Radii, Electron Gain Enthalpy, Ionization Enthalpy, Ionic Radii, Nomenclature of Elements With Atomic Number Above 100
Unit IV: Chemical Bonding & Molecular structure 11th Class (14 Period)
Ionic Bond, Covalent Bond, Bond Parameters, Valence Electrons, Polar Character of Covalent Bond, Covalent Character of Ionic Bond, Lewis Structure, Valence Bond Theory, Concept of Hybridization Involving s, Geometry of Covalent Molecules, p and d-Orbital, Molecular Orbital Theory of Homo-Nuclear Diatomic Molecules, Shapes of Some Simple Molecules, VSEPR Theory, Hydrogen Bond
Unit V: States of Matter : Gases & Liquids 11th Class (12 Period)
The states of Matter, Types of Bonding, Melting and Boiling Points, Role of Gas Laws In Elucidating The Concept of The Molecule, Avogadro’s Law, Boyle’s Law, Intermolecular Interactions, Gay-Lussac’s Law, Avogadro’s Number, Charles Law, Ideal Gas Equation, Ideal Behaviour, Deviation From Ideal Behaviour, Kinetic Energy and Molecular Speeds Liquid State, Empirical Derivation of Gas Equation, Critical Temperature, Liquefaction of Gases, Vapour Pressure, Viscosity, and Surface Tension
Unit VI: Chemical Thermodynamics 11th Class (16 Periods)
Concepts of System and Types of Systems, Extensive and Intensive Properties, State Functions, Work, Heat, Energy, Laws of Thermodynamics, and Dilution, Heat Capacity and Specific Heat, Surroundings, Internal Energy and Enthalpy, Measurement of ∆U and ∆H, Formation, Atomization, Hess’s Law of Constant Heat Summation, 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, Ionic Equilibrium- Ionization of Acids and Bases, Law of Mass Action, Ionization of Poly Basic Acids, Equilibrium Constant, Acid Strength, Solubility Product, Strong and Weak Electrolytes, Degree of Ionization, Concept of pH, Henderson Equation, Hydrolysis of Salts, Common Ion Effect, Buffer Solution.
Unit VIII: Redox Reactions 11th Class (6 Periods)
Concept of Oxidation and Reduction, Redox Reactions Applications, Oxidation Number, Redox Reactions, Balancing Redox Reactions, Loss and Gain of Electrons, and Change In Oxidation Number.
Unit IX: Hydrogen 11th Class (8 Periods)
Position of Hydrogen In Periodic Table, Isotopes, Preparation, Hydrides-Ionic Covalent and Interstitial, Occurrence, Physical and Chemical Properties of Water, Properties, and Uses of Hydrogen, Hydrogen Peroxide-Preparation, Heavy Water, Structure, Reactions, and Hydrogen As A Fuel
Unit X: s-Block Elements (Alkali & Alkaline Earth Metals) 11th Class (10 Period)
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, Diagonal Relationship, Water, Hydrogen and Halogens, Calcium Oxide and Calcium Carbonate & Their Industrial Uses, Preparation and Properties of Some Important Compounds, Biological Importance of Magnesium and Calcium