CBSE Class 12 Chemistry 2023-24 Course Structure:

Subject: Chemistry

Subject Code: 043

Total Marks: 100 (Theory - 70, Practical - 30)

CBSE Class 12 Chemistry 2023-24 Course Structure:

Unit 1: Solutions

Topics:

Types of solutions

Solubility

Vapour pressure of solutions

Raoult's law

Ideal and non-ideal solutions

Colligative properties of solutions

Marks: 7

Unit 2: Electrochemistry

Topics:

Redox reactions

Electrochemical cells

Conductance

Electrolytic conductance

Kohlrausch's law

Applications of electrochemistry

Marks: 9

Unit 3: Chemical Kinetics

Topics:

Rate of a reaction

Factors affecting rate of reaction

Rate law and specific rate constant

Order of reaction and molecularity

Integrated rate equations and half-life

Collision theory of chemical reactions

Marks: 7

Unit 4: d -and f -Block Elements

Topics:

Electronic configuration of d- and f-block elements

General properties of transition elements

Complex formation

Preparation and properties of some important compounds

Marks: 7

Unit 5: Coordination Compounds

Topics:

Werner's theory of coordination compounds

Nomenclature of coordination compounds

Isomerism in coordination compounds

Bonding in coordination compounds

Magnetic properties of coordination compounds

Marks: 7

Unit 6: Haloalkanes and Haloarenes

Topics:

Classification of halogens

Preparation of haloalkanes and haloarenes

Physical properties of haloalkanes and haloarenes

Nucleophilic substitution reactions

Elimination reactions

Marks: 6

Unit 7: Alcohols, Phenols and Ethers

Topics:

Preparation of alcohols, phenols and ethers

Physical and chemical properties of alcohols, phenols and ethers

Reactions of alcohols, phenols and ethers

Marks: 6

Unit 8: Aldehydes, Ketones and Carboxylic Acids

Topics:

Preparation of aldehydes, ketones and carboxylic acids

Physical properties of aldehydes, ketones and carboxylic acids

Chemical reactions of aldehydes, ketones and carboxylic acids

Marks: 8

Unit 9: Amines

Topics:

Classification and nomenclature of amines

Preparation of amines

Physical and chemical properties of amines

Diazonium salts and their chemical reactions

Marks: 6

Unit 10: Biomolecules

Topics:

Carbohydrates

Proteins

Nucleic acids

Enzymes

Marks: 7

Total Marks: 70

 CBSE Chemistry Syllabus for Class 12 2023-24 Unit 2: Solutions Types of solutions, expression of concentration of solutions of solids in liquids, solubility of gases in liquids, solid solutions, Raoult's law, colligative properties - relative lowering of vapour pressure, elevation of boiling point, depression of freezing point, osmotic pressure, determination of molecular masses using colligative properties, abnormal molecular mass, Van't Hoff factor. 

Unit 3: Electrochemistry Redox reactions, EMF of a cell, standard electrode potential, Nernst equation and its application to chemical cells, Relation between Gibbs energy change and EMF of a cell, conductance in electrolytic solutions, specific and molar conductivity, variations of conductivity with concentration, Kohlrausch's Law, electrolysis and law of electrolysis (elementary idea), dry cell-electrolytic cells and Galvanic cells, lead accumulator, fuel cells, corrosion. 

Unit 4: Chemical Kinetics Rate of a reaction (Average and instantaneous), factors affecting rate of reaction: concentration, temperature, catalyst; order and molecularity of a reaction, rate law and specific rate constant, integrated rate equations and half-life (only for zero and first order reactions), concept of collision theory (elementary idea, no mathematical treatment), activation energy, Arrhenius equation. 

Unit 8: d and f Block Elements General introduction, electronic configuration, occurrence and characteristics of transition metals, general trends in properties of the first-row transition metals – metallic character, ionization enthalpy, oxidation states, ionic radii, colour, catalytic property, magnetic properties, interstitial compounds, alloy formation, preparation and properties of K2Cr2O7 and KMnO4. Lanthanoids – Electronic configuration, oxidation states, chemical reactivity and lanthanoid contraction and its consequences. Actinoids - Electronic configuration, oxidation states and comparison with lanthanoids. Unit 9: Coordination Compounds Coordination compounds - Introduction, ligands, coordination number, colour, magnetic properties and shapes, IUPAC nomenclature of mononuclear coordination compounds. Bonding, Werner's theory, VBT, and CFT; structure and stereoisomerism, the importance of coordination compounds (in qualitative analysis, extraction of metals and biological system). Unit 10: Haloalkanes and Haloarenes Haloalkanes: Nomenclature, nature of C–X bond, physical and chemical properties, optical rotation mechanism of substitution reactions. Haloarenes: Nature of C–X bond, substitution reactions (Directive influence of halogen in monosubstituted compounds only). Uses and environmental effects of - dichloromethane, trichloromethane, tetrachloromethane, iodoform, freons, DDT. 

Unit 11: Alcohols, Phenols and Ethers Alcohols: Nomenclature, methods of preparation, physical and chemical properties (of primary alcohols only), identification of primary, secondary and tertiary alcohols, mechanism of dehydration, uses with special reference to methanol and ethanol. Phenols: Nomenclature, methods of preparation, physical and chemical properties, acidic nature of phenol, electrophilic substitution reactions, uses of phenols. Ethers: Nomenclature, methods of preparation, physical and chemical properties, uses. 

 Unit 12: Aldehydes, Ketones and Carboxylic Acids Aldehydes and Ketones: Nomenclature, nature of carbonyl group, methods of preparation, physical and chemical properties, mechanism of nucleophilic addition, reactivity of alpha hydrogen in aldehydes, uses. Carboxylic Acids: Nomenclature, acidic nature, methods of preparation, physical and chemical properties; uses. 

 Unit 13: Amines Amines: Nomenclature, classification, structure, methods of preparation, physical and chemical properties, uses, identification of primary, secondary and tertiary amines Diazonium salts: Preparation, chemical reactions and importance in synthetic organic chemistry.

Unit 14: Biomolecules Carbohydrates - Classification (aldoses and ketoses), monosaccharides (glucose and fructose), D-L configuration oligosaccharides (sucrose, lactose, maltose), polysaccharides (starch, cellulose, glycogen); Importance of carbohydrates. Proteins - Elementary idea of - amino acids, peptide bond, polypeptides, proteins, structure of proteins - primary, secondary, tertiary structure and quaternary structures (qualitative idea only), denaturation of proteins; enzymes. Hormones - Elementary idea excluding structure. Vitamins - Classification and functions. Nucleic Acids: DNA and RNA.