CBSE Class 12 Chemistry Syllabus 2019: Amongst all the subjects that are taught in the science side, the students must know that chemistry is the subject with largest number of chapters. The students must prepare the chapters in the last 5 units more precisely when compared to any other units as this unit has been allotted the highest number of marks as per the CBSE 12th Chemistry Syllabus.
The students must make sure to prepare for the subject with a different strategy as the students may note that there are no divisions based on the sections in the subject so make sure that it does not become a problem for you.
CBSE Class 12 Chemistry New Syllabus 2019
|Chemical Kinetics||Chemical Kinetics|
|Surface Chemistry||Surface Chemistry|
|General Principles and Processes of Isolation Of Elements||General Principles and Processes of Isolation Of Elements||19|
|P- Block Elements||Group 15 Elements|
|Group 16 Elements|
|Group 17 Elements|
|Group 18 Elements|
|D and F Block Elements||Lanthanoids|
|Coordination Compounds||Coordination Compounds|
|Haloalkanes And Haloarenes||Haloalkanes||28|
|Alcohols, Phenols, and Ethers||Alcohols|
|Aldehydes, Ketones And Carboxylic Acids||Aldehydes and Ketones|
|Organic Compounds Containing Nitrogen||Amines|
|Cyanides and Isocyanides|
|Chemistry In Everyday Life||Chemistry In Everyday Life|
|Content-Based Experiments (06 Marks)|
|Class Records And Viva|
|Unit No./ Chapters||Topics|
|Unit I: Solutions||Types of solutions, expression of concentration of solutions of solids in liquids, solubility of gases in liquids, solid solutions, colligative properties – relative lowering of vapour pressure, Raoult’s law, 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 II: Electrochemistry||Redox reactions, 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, 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, fuel cells, corrosion
|Unit III: 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 IV: Surface Chemistry||Adsorption – physisorption and chemisorption, factors affecting adsorption of gases on solids, catalysis, homogenous and heterogenous activity and selectivity; enzyme catalysis colloidal state distinction between true solutions, colloids and suspension; lyophilic, lyophobic multi-molecular and macromolecular colloids; properties of colloids; Tyndall effect, Brownian movement, electrophoresis, coagulation, emulsion – types of emulsions.|
|Unit V: General Principles and Processes of Isolation of Elements||Principles and methods of extraction – concentration, oxidation, reduction – electrolytic method and refining; occurrence and principles of extraction of aluminium, copper, zinc and iron|
|Unit VI: p -Block Elements|
Group 16 Elements: General introduction, electronic configuration, oxidation states, occurrence, trends in physical and chemical properties, dioxygen: Preparation, Properties and uses, classification of Oxides, Ozone, Sulphur – allotropic forms; compounds of Sulphur: Preparation Properties and uses of Sulphur-dioxide, Sulphuric Acid: industrial process of manufacture, properties and uses; Oxoacids of Sulphur (Structures only).
Group 17 Elements: General introduction, electronic configuration, oxidation states, occurrence, trends in physical and chemical properties; compounds of halogens, Preparation, properties and uses of Chlorine and Hydrochloric acid, interhalogen compounds, Oxoacids of halogens (structures only).
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Group 18 Elements: General introduction, electronic configuration, occurrence, trends in physical and chemical properties, uses.
|Unit VII: ‘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 VIII: 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, importance of coordination compounds (in qualitative inclusion, extraction of metals and biological system).|
|Unit IX: Haloalkanes and Haloarenes||Haloalkanes: Nomenclature, nature of C-X bond, physical and chemical|
properties, mechanism of substitution reactions, optical rotation.
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 X: 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, electrophillic substitution reactions, uses of phenols.Ethers: Nomenclature, methods of preparation, physical and chemical
|Unit XI: 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 XII: Organic compounds containing Nitrogen||Amines: Nomenclature, classification, structure, methods of preparation, physical and chemical properties, uses, identification of primary, secondary and tertiary|
Cyanides and Isocyanides – will be mentioned at relevant places in text.
Diazonium salts: Preparation, chemical reactions and importance in synthetic organic chemistry.
|Unit XIII: Biomolecules|
Carbohydrates – Classification (aldoses and ketoses), monosaccahrides (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.
|Unit XIV: Polymers||Copolymerization, some important polymers: natural and synthetic like|
polythene, nylon polyesters, bakelite, rubber. Biodegradable and nonbiodegradable polymers.
|Unit XV: Chemistry in Everyday life||Chemicals in medicines – analgesics, tranquilizers antiseptics, disinfectants, antimicrobials, antifertility drugs, antibiotics, antacids, antihistamines.|
Chemicals in food – preservatives, artificial sweetening agents, elementary idea of antioxidants.Cleansing agents- soaps and detergents, cleansing action.
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