AP Board Class 11 Chemistry Syllabus 2025 – Free PDF Download

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Atomic Structure

1.1 Sub-Atomic Particles

1.2 Atomic Models-Rutherford’s Nuclear Model Of Atom

1.3 Developments To The Bohr’s Model Of Atom

1.4 Bohr’s Model For Hydrogen Atom

1.5 Towards Quantum Mechanical Model Of The Atom

1.6 Quantum Mechanical Model Of An Atom. Important Features Of The Quantum Mechanical Model Of Atom-Orbitals And Quantum Numbers-Shapes Of Atomic Orbitals-Energies Of Orbitals-Filling Of Orbitals In Atoms. Aufbau Principle, Pauli;S Exclusion Principle And Hund’s Rule Of Maximum Multiplicity – Electronic Configurations Of Atoms-Stability Of Half Filled And Completely Filled Orbitals.

Classification Of Elements and Periodicity In Properties

2.1 Need To Classify Elements 2.2 Genesis Of Periodic Classification 2.3 Modern Periodic Law And Present Form Of The Periodic Table 2.4 Nomenclature Of Elements With Atomic Number Greater Than 100 2.5 Electronic Configuration Of Elements And The Periodic Table 2.6 Electronic Configuration And Types Of Elements S,P,D And F Blocks 2.7 Trends In Physical Properties-Periodic Trends In Chemical Properties-Periodic Trends And Chemical Reactivity.

Chemical Bonding And Molecular Structure

3.1 Kossel-Lewis Approach To Chemical Bonding

3.2 Ionic Or Electrovalent Bond

3.3 Bond Parameters

3.4 The Valence Shell Electron Pair Repulsion (Vsepr)Theory

3.5 Valence Bond Theory

3.6 Hybridisation

3.7 Coordinate Bond

3.8 Molecular Orbital Theory-Bonding In Some Homonuclear Diatomic Molecules

3.9 Hydrogen Bonding

States Of Matter: Gases And Liquids

4.1 Intermolecular Forces

4.2 Thermal Energy

4.3 Intermolecular Forces Vs Thermal Interactions

4.4 The Gaseous State

4.5 The Gas Laws

4.6 Ideal Gas Equation

4.7 Graham’s Law Of Diffusion – Dalton’s Law Of Partial Pressures

4.8 Kinetic Molecular Theory Of Gases

4.9 Kinetc Gas Equaon Of An Ideal Gas (No Derivation) – Deduction Of Gas Laws

From Kinetic Gas Equation

4.10 Distribution Of Molecular Speeds – Rms, Average And Most Probable Speeds –

Kinetic Energy Of Gas Molecules

4.11 Behaviour Of Real Gases – Deviation From Ideal Gas Behavior – Compressibility

Factor Vs Pressure Diagrams Of Real Gases

4.12 Liquefaction Of Gases

4.13 Liquid State – Properties Of Liquids In Terms Of Inter Molecular Interactions – Vapour Pressure, Viscosity And Surface Tension (Qualitative Idea Only, No Mathematical Derivation)

Stoichiometry

5.1 Some Basic Concepts

5.2 Laws Of Chemical Combinations, Gay Lussac’s Law Of Gaseous Volumes,

Dalton’s Atomic Theory, Avogadro Law

5.3 Atomic And Molecular Masses – Mole Concept And Molar Mass Concept Of

Equivalent Weight

5.4 Percentage Composition Of Compounds And Calculations Of Empirical And

Molecular Formulae Of Compounds

5.5 Stoichiometry And Stoichiometric Calculations

5.6 Methods Of Expressing Concentrations Of Solutions

5.7 Redox Reactions

5.8 Oxidation Number Concept

5.9 Types Of Redox Reactions

5.10 Balancing Of Redox Reactions – Oxidation Number Method – Half Reaction (Ionelectron)Method.

5.11 Redox Reactions In Titrimetry

Thermodynamics

6.1 Thermodynamic Terms

6.2 Applications –Work-Enthalpy-Extensive And Intensive Properties-Heat Capacity

6.3 Measurement Of “U And H”: Calorimetry

6.4 Enthalpy Change, ‘rh’ Of Reactions

6.5 Enthalpies For Different Types Of Reactions

6.6 Spontaneity

6.7 Gibbs Energy Change And Equilibrium

6.8 Absolute Entropy And The Third Law Of Thermodynamics

Chemical Equilibrium And Acids-Bases

7.1 Equilibrium In Physical Process

7.2 Equilibrium In Chemical Process – Dynamic Equilibrium

7.3 Law Of Chemical Equilibrium – Law Of Mass Action And Equilibrium Constant

7.4 Homogeneous Equilibria, Equilibrium Constant In Gaseous Systems, Relationship

Between Kp And Kc

7.5 Heterogeneous Equilibria

7.6 Applications Of Equilibrium Constant

7.7 Relationship Between Equilibrium Constant ‘k’, Reaction Quotient ‘q’ And Gibbs

Energy ‘g’

7.8 Factors Affecting Equilibria – Le-Chatelier’s Principle Application To Industrial

Synthesis Of Ammonia And Sulphur Trioxide

7.9 Ionic Equilibrium In Solutions

7.10 Acids, Bases And Salts – Arrhenius, Bronsted-Lowry And Lewis Concepts Of

Acids And Bases

7.11 Ionisation Of Acids And Bases

7.12 Buffer Solutions

7.13 Solubility Equilibria Of Sparingly Soluble Salts

Solubility Product Constant-Common Ion Effect On Solubility Of Ionic Salts

Hydrogen And Its Compounds

8.1 Position Of Hydrogen In The Periodic Table

8.2 Dihydrogen - Occurance And Isotopes

8.3 Preparation Of Dihydrogen

8.4 Properties Of Dihydrogen

8.5 Hydrides: Ionic, Covalent, And Non-Stiochiometric Hydrides

8.6 Water: Physical Properties; Structure Of Water, Ice Chemical Properties Of

Water; Hard And Soft Water Temporary And Permanent Hardness Of Water.

8.7 Hydrogen Peroxide: Preparation; Physical Properties; Structure And Chemical

Properties; Storage And Uses

8.8 Heavy Water

8.9 Hydrogen As A Fuel

The S – Block Elements

(Alkali And Alkaline Earth Metals)

Group 1 Elements

9.1 Alkali Metals; Electronic Configurations; Atomic And Ionic Radii; Ionization Enthalpy; Hydration Enthalpy; Physical Properties; Chemical Properties; Uses

9.2 General Characteristics Of The Compounds Of The Alkali Metals: Oxides; Halides; Salts Of Oxy Acids

9.3 Anamalous Properties Of Lithium

9.4 Some Important Compounds Of Sodium: Sodium Carbonate; Sodium Chloride;

Sodium Hydroxide; Sodium Hydrogen Carbonate

9.5 Biological Importance Of Sodium And Potassium

Group 2 Elements:

9.6 Alkaline Earth Elements; Electronic Configuration; Ionization Enthalpy; Hydration Enthalpy; Physical Properties; Chemical Properties; Uses

9.7 General Characteristics Of Compounds Of The Alkaline Earth Metals, Oxides, Hydroxides, Halides, Salts Of Oxyacids (Carbonates, Sulphates And Nitrates)

9.8 Anomalous Behavior Of Beryllium; Its Diagonal Relationship With Aluminium

9.9 Some Important Compounds Of Calcium

9.10 Biological Importance Of Calcium And Magnesium

P- Block Elements Group 13 ( Boron Family)

10.1 General Introduction – Electronic Configuration, Atomic Radii, Ionization Enthalpy, Electro Negativity; Physical & Chemical Properties

10.2 Important Trends And Anomalous Properties Of Boron

10.3 Some Important Compounds Of Boron – Borax, Ortho Boric Acid, Diborane

10.4 Uses Of Boron, Aluminium And Their Compounds

P-Block Elements - Group 14 ( Carbon Family)

11.1 General Introduction – Electronic Configuration, Atomic Radii, Ionization Enthalpy, Electro Negativity; Physical & Chemical Properties

11.2 Important Trends And Anomalous Properties Of Carbon

11.3 Allotropes Of Carbon

11.4 Uses Of Carbon

11.5 Some Important Compounds Of Carbon And Silicon-Carbonmonoxide, Carbon Dioxide, Silica, Silicones, Silicates And Zeolites

Environmental Chemistry

12.1 Definition Of Terms: Air, Water And Soil Pollutions

12.2 Environmental Pollution

12.3 Atmospheric Pollution

12.4 Acid Rain: Particulate Pollutants

12.5 Stratospheric Pollution

12.6 Water Pollution

12.7 Soil Pollution: Pesticides, Industrial Wastes

12.8 Strategies To Control Environmental Pollution

12.9 Green Chemistry

Organic Chemistry-Some Basic Principles And Techniques And Hydrocarbons

13.1 General Introduction

13.2 Tetravalency Of Carbon: Shapes Of Organic Compounds

13.3 Structural Representations Of Organic Compounds

13.4 Classification Of Organic Compounds

13.5 Nomenclature Of Organic Compounds

13.6 Isomerism

13.7 Fundamental Concepts In Organic Reaction Mechanisms

13.8 Methods Of Purification Of Organic Compounds

13.9 Qualitative Elemental Analysis Of Organic Compounds

13.10 Quantitative Elemental Analysis Of Organic Compounds

Hydrocarbons 13.11 Classification Of Hydrocarbons 13.12 Alkanes – Nomenclature, Isomerism (Structural And Conformations Of Ethane Only) Preparation Of Alkanes – Properties Of Alkanes 13.13 Alkenes – Nomenclature, Structure Of Ethane, Isomerism (Structural And Geometrical) – Methods Of Preparation Of Alkenes – Properties Of Alkenes 13.14 Alkynes – Nomenclature And Isomerism, Structure Of Acetylene Methods Of Preparation Of Acetylene – Physical Properties And Chemical Reactions Of Alkynes 13.15 Aromatic Hydrocarbons: Nomenclature And Isomerism Structure Of Benzene, Resonance And Aromaticity-Preparation Of Benzene Physical And Chemical Properties Of Benzene-Directive Influence Of Functional Groups In Mono Substituted Benzene, Carcinogenicity And Toxicity