Haryana Board 12th Board Chemistry Syllabus 2025-26: Check Detailed PDF Below

S.No.

Chapter

Marks

1.

Unit 1: Solutions

8

2.

Unit 2: Electro Chemistry

8

3.

Unit 3: Chemical Kinetics

7

4.

Unit 4: d & f Block Elements

7

5.

Unit 5: Co-ordination Compounds

7

6.

Unit 6: Halo Alkanes & Halo Arenes

6

7.

Unit 7: Alcohols, Phenols and Ethers

6

8.

Unit 8: Aldehydes, Ketones and Carboxylic Acids

8

9.

Unit 9: Amines

6

10.

Unit 10: Biomolecules

7

Total

70

Practical

30

Grand Total

100

Unit No.

Unit Title

Topics & Subtopics

1

Solutions

1.1 Types of Solutions
1.2 Expressing Concentration of Solutions
1.3 Solubility: Solubility of a Solid in a Liquid, Solubility of a Gas in a Liquid
1.4 Vapour Pressure of Liquid Solutions: Vapour Pressure of Liquid–Liquid Solutions, Raoult’s Law as a Special Case of Henry’s Law, Vapour Pressure of Solutions of Solids in Liquids
1.5 Ideal and Non-Ideal Solutions: Ideal Solutions, Non-Ideal Solutions
1.6 Colligative Properties & Determination of Molar Mass: Relative Lowering of Vapour Pressure, Elevation of Boiling Point, Depression of Freezing Point, Osmosis and Osmotic Pressure, Reverse Osmosis and Water Purification
1.7 Abnormal Molar Masses

2

Electrochemistry

2.1 Electrochemical Cells
2.2 Galvanic Cells: Measurement of Electrode Potential
2.3 Nernst Equation: Equilibrium Constant from Nernst Equation, Electrochemical Cell and Gibbs Energy of Reaction
2.4 Conductance of Electrolytic Solutions: Measurement of Conductivity of Ionic Solutions, Variation of Conductivity & Molar Conductivity with Concentration
2.5 Electrolytic Cells and Electrolysis: Products of Electrolysis
2.6 Batteries: Primary and Secondary Batteries
2.7 Fuel Cells
2.8 Corrosion

3

Chemical Kinetics

3.1 Rate of a Chemical Reaction
3.2 Factors Influencing Rate: Dependence on Concentration, Rate Expression, Rate Constant, Order & Molecularity
3.3 Integrated Rate Equations: Zero Order, First Order, Half-Life of Reaction
3.4 Temperature Dependence: Effect of Catalyst
3.5 Collision Theory of Chemical Reactions

4

The d- and f-Block Elements

4.1 Position in the Periodic Table
4.2 Electronic Configurations of d-Block Elements
4.3 General Properties of Transition Elements: Physical Properties, Atomic/Ionic Sizes, Ionisation Enthalpies, Oxidation States, Trends in Electrode Potentials (M²⁺/M & M³⁺/M²⁺), Stability of Higher Oxidation States, Reactivity & E° Values, Magnetic Properties, Coloured Ions, Complex Compounds, Catalysis, Interstitial Compounds, Alloy Formation
4.4 Important Compounds of Transition Elements
4.5 Lanthanoids: Electronic Configuration, Sizes, Oxidation States, General Characteristics
4.6 Actinoids: Electronic Configuration, Sizes, Oxidation States, General Characteristics & Comparison with Lanthanoids
4.7 Applications of d- and f-Block Elements

5

Coordination Compounds

5.1 Werner's Theory
5.2 Important Definitions
5.3 Nomenclature: Formulas & Naming of Mononuclear Coordination Compounds
5.4 Isomerism: Geometrical, Optical, Linkage, Coordination, Ionisation, Solvate Isomerism
5.5 Bonding: Valence Bond Theory, Magnetic Properties, Limitations, Crystal Field Theory, Colour, Limitations of CFT
5.6 Bonding in Metal Carbonyls
5.7 Importance & Applications

6

Haloalkanes and Haloarenes

6.1 Classification: Based on Halogen Atoms, Compounds with sp³ C–X & sp² C–X Bonds
6.2 Nomenclature
6.3 Nature of C–X Bond
6.4 Preparation of Haloalkanes: From Alcohols, Hydrocarbons, Halogen Exchange, Reactions
6.5 Preparation of Haloarenes
6.6 Physical Properties
6.7 Chemical Reactions: Haloarenes
6.8 Polyhalogen Compounds: Dichloromethane, Chloroform, Iodoform, Carbon Tetrachloride, Freons, DDT

7

Alcohols, Phenols and Ethers

7.1 Classification: Alcohols—Mono, Di, Tri, Polyhydric
7.2 Nomenclature
7.3 Structures of Functional Groups
7.4 Alcohols & Phenols: Preparation, Physical Properties, Chemical Reactions
7.5 Commercially Important Alcohols
7.6 Ethers: Preparation, Physical Properties, Chemical Reactions

8

Aldehydes, Ketones and Carboxylic Acids

8.1 Nomenclature & Structure of Carbonyl Group
8.2 Preparation of Aldehydes & Ketones
8.3 Physical Properties
8.4 Chemical Reactions
8.5 Uses
8.6 Nomenclature & Structure of Carboxyl Group
8.7 Preparation of Carboxylic Acids
8.8 Physical Properties
8.9 Chemical Reactions: O–H Bond Cleavage, C–OH Bond Cleavage, –COOH Group Reactions, Substitution in Hydrocarbon Part
8.10 Uses

9

Amines

9.1 Structure
9.2 Classification
9.3 Nomenclature
9.4 Preparation
9.5 Physical Properties
9.6 Chemical Reactions
9.7 Preparation of Diazonium Salts
9.8 Physical Properties
9.9 Chemical Reactions
9.10 Importance in Aromatic Compound Synthesis

10

Biomolecules

10.1 Carbohydrates: Classification, Monosaccharides (Glucose, Fructose), Disaccharides, Polysaccharides, Importance
10.2 Proteins: Amino Acids, Classification, Structure of Proteins
10.3 Enzymes: Mechanism of Action
10.4 Vitamins: Classification
10.5 Nucleic Acids: Composition, Structure, Biological Functions
10.6 Hormones: Elementary Idea (Excluding Structure)