CBSE chemistry Syllabus for Chemistry Class 12 2014 is given below. chemistry syllabus for class 12 cbse contains overall 16 units. Description for cbse chemistry syllabus for class 12 2014 is narrated here.
Unit 1: Solutions
Types of solutions, expression of concentration of solutions of solids in liquids, solubility of gasesin liquids, solid solutions, colligative properties – relative lowering of vapour pressure, elevationof boiling point, depression of freezing point, osmotic pressure, determination of molecular massesusing colligative properties, abnormal molecular mass.
Unit 2: Electrochemistry
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 equation and half life (only for zero and first order reactions), collision theory(elementary idea, no mathematical treatment).
Unit 3: Solutions
Redox reactions, conductance in electrolytic solutions, specific and molar conductivity, variations102of conductivity with concentration, Kohlrausch’s Law, electrolysis and law of electrolysis(elementary idea), dry cell -electrolytic cells and Galvanic cells, lead accumulator, EMF of a cell,standard electrode potential, Nernst equation and its application to chemical cells, fuel cells.
Unit 4: Solid State
Classification of solids based on different binding forces: molecular, ionic, covalent and metallicsolids, amorphous and crystalline solids (elementary idea), Crystal Lattices and unit cells,calculation of density of unit cell, packing in solids, voids, number of atoms per unit cell in a cubic unit cell, point defects, electrical and magnetic properties.
Unit 5: Surface Chemistry
Adsorption – physisorption and chemisorption, factors affecting adsorption of gases on solids,colloids distinction between true solutions,colloids and suspension; lyophilic , lyophobicmultimolecular and macromolecular colloids; properties of colloids; Tyndall effect, Brownian movement, electrophoresis, coagulation, emulsion – types of emulsions.
Unit 6: General Principles and Processes of Isolation of Elements
Principles and methods of extracting – concentration, oxidation, reduction – electrolytic method and refining; occurrence and principles of extraction of aluminium, copper, zine and iron.
Unit 7: P -Block Elements
Group -15 Elements: General introduction, electronic configuration, occurrence, oxidationstates, trends in physical and chemical properties; compounds of nitrogen: preparation and properties of ammonia and nitric acid, Phosphorous – allotropic forms, compounds of
phosphorous: preparation and properties of phosphine, halides (PCI3, PCI5) and oxoacids (elementary idea only).
Group 16 Elements: General introduction, electronic configuration, oxidation states, occurrence,trends in physical and chemical properties, simple oxides, Ozone, Sulphure -allotropic forms;compounds of sulphure: sulphuric acid: industrial process of manufacture, properties and uses,oxoacids of sulphure (Structures only).
Group 17 Elements: General introduction, electronic configuration, oxidation states, occurrence,trends in physical and chemical properties; compounds of halogens, hydrochloric acid, interhalogen compounds, oxoacids of halogens (structures only).
Group 18 Elements: General introduction, electronic configuration, occurrence, trends in physical andchemical properties, uses.
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 and lanthanoid contraction.
Actinoids – Electronic configuration, oxidation states.
Unit 9: Haloalkanes and Haloarenes
Haloalkanes: Nomenclature, nature of C -X bond, physical and chemical properties, 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 – trichloromethane, tetrachloromethane, iodoform.
Unit 10: Aldehydes, Ketons and Carboxylic Acids
Aldehydes and Ketones: Nomenclature, nature of carbonyl group, methods of preparation,physical andchemical properties, mechanism of nucleophillic addition, reactivity of alpha hydrogenin aldehydes: uses.
Carboxylic Acids: Nomenclature, acidic nature, methods of preparation, physical and chemical properties; uses.
Unit 11: Coordination Compounds
Coordination compounds – Introduction, ligands, coordination number, colour, magneticproperties and shapes, IUPAC nomenclature of mononuclear coordination compounds. Bonding,isomerism, importance of coordination compounds (in qualitative analysis, extraction of metals
and biological system).
Unit 12: Alcohols, Phenols and Ethers
Alcohols: Nomenclature, methods of preparation, physical and chemical properties( of primary alcoholsonly), identification of primary, secondary and tertiary alcohols, mechanism of dehydration,uses of methanol and ethanol.
Phenols: Nomenclature, methods of preparation, physical and chemical properties, acidic nature of phenol, electrophillic substitution reactions, uses of phenols. Ethers: Nomenclature, methods of preparation, physical and chemical properties, uses.
Unit 13: Organic Compounds containing Nitrogen
Amines: Nomenclature, classification, structure, methods of preparation, physical and chemical properties, uses, identification of primary, secondary and tertiary amines.Cyanides and Isocyanides – will be mentioned at relevant places in context.Diazonium salts: Preparation, chemical reactions and importance in synthetic organic chemistry.
Unit 14: Polymers
Classification – natural and synthetic, methods of polymerization (addition and condensation), copolymerization, some important polymers: natural and synthetic like polythene, nylon polyesters, bakelite, rubber.
Unit: 15 Chemistry in Everyday Life
Chemicals in medicines – analgesics, tranquilizers antiseptics, disinfectants, antimicrobials, antifertility drugs, antibiotics, antacids, antihistamines. Chemicals in food – preservations, artificial sweetening agents. Cleansing agents- soaps and detergents, cleansing action.
Unit 16: Biomolecules
Carbohydrates – Classification (aldoses and ketoses), monosaccahrides (glucose and fructose),oligosaccharides (sucrose, lactose, maltose), importance.
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.
Vitamins – Classification and functions.
Nucleic Acids: DNA and RNA.
Details of cbse chemistry syllabus for class 12 2014 can also be found from cbse official web site.
chemistry syllabus for class 12 cbse unit wise allocation of marks are given below:
|Unit No.||Unit Name||Marks|
|6||General Principles and Processes of Isolation of Elements||03|
|7||P -Block Elements||08|
|8||D -and F -Block Elements||05|
|10||Haloalkanes and Haloarenes||04|
|11||Alcohols, Phenols and Ethers||04|
|12||Aldehydes, Ketons and Carboxylic Acids||06|
|13||Organic Compounds containing Nitrogen||04|
|16||Chemistry in Everyday Life||03|