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.
إرسال تعليق