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The first step towards the corporation of any exam is to gain knowledge of its syllabus. The syllabus of Chemistry is logically vast and the applicants are advised to cover the whole syllabus without skipping anything as all the topics are correlated from a competing exam point of view. The knowledge correlated with the subject of Chemistry has experienced major changes over the years and the applicants must check the most forward syllabus for the same. This article provides the contenders the complete and latest organizations associated to the Chemistry Class 11 CBSE Syllabus 2021-2022.



Unit=wise Chemistry Class 11 CBSE Syllabus 2021

The class 11 Chemistry question syllabus consists of different major topics broken into 12 separate units. Candidates can check all these units and the features that they disseminated from below.


Unit I= Some Basic Concepts of Chemistry

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

Unit II= Structure of Atom 11th Class 

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


Unit III= Elements and Periodicity in Properties 11th Class 


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


Unit IV= Chemical Bonding and Molecular structure 

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


Unit V= States of Matter – Gases and Liquids 11th Class

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


Unit VI= Chemical Thermodynamics 11th Class 

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

Unit VII= Equilibrium 11th Class 

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

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Unit VIII= Redox Reactions 11th Class 

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

Unit IX= Hydrogen 11th Class 

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

Unit X= s-Block (Alkali and Alkaline Earth Metals) 

General Introduction, Occurrence, Hydrogen, and Halogens, Diagonal Relationship, Calcium Oxide, and Calcium Carbonate & Their Industrial Uses, 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, Biological Importance of Magnesium and Calcium

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