NEET Chemistry Syllabus for class 12 |
Chapter Name |
Subtopics |
Unit 1 – Solid state |
Classification of solids based on different binding forces; molecular, ionic covalent and metallic solids, amorphous and crystalline solids (elementary idea), unit cell in two dimensional and three-dimensional lattices, calculation of density of unit cell, packing in solids, packing efficiency, voids, number of atoms per unit cell in a cubic unit cell, point defects, electrical and magnetic properties, Band theory of metals, conductors, semiconductors and insulators |
Unit 2 – Solutions |
Types of solutions, expression of concentration of solutions of solids in liquids, the 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 Hoff factor |
Unit 3 – Electrochemistry |
Redox reactions, conductance in electrolytic solutions, specific and molar conductivity variation of conductivity with concentration, kohlrausch’s law, electrolysis and laws of electrolysis (elementary idea), dry-cell-electrolytic cells and galvanic cells; lead accumulator, EMF of a cell, standard electrode potential, relation between Gibbs energy change and EMF of a cell, fuel cells; corrosion |
Unit 4 – Chemical Kinetics |
Rate of a reaction(average and instantaneous), factors affecting rates 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, Arrhenious equation |
Unit 5 – Surface Chemistry |
Adsorption – physisorption and chemisorption; factors affecting adsorption of gases on solids, catalysis homogenous and heterogeneous, activity and selectivity: enzyme catalysis; colloidal state: distinction between true solutions, colloids and suspensions; lyophilic, lyophobic multimolecular and macromolecular colloids; properties of colloids; Tyndall effect, Brownian movement, electrophoresis, coagulation; emulsions – types of emulsions |
Unit 6 – General principles and processes of isolation of elements |
Principles and methods of extraction – concentration, oxidation, reduction electrolytic methods and refining; occurrence and principles of extraction of aluminium, copper, zinc and iron |
Unit 7 – p-Block elements |
Group 15 elements – general introduction, electronic configuration, occurrence, oxidation states, trends in physical and chemical properties; preparation and properties of ammonia and nitric acid, oxides of nitrogen(Structure only); Phosphorous-allotropic forms; compounds of phosphorus: preparation and properties of phosphine, halides (PCl3, PCl5) and oxoacids (elementary idea only)
Group 16 elements – General introduction, electronic configuration, occurrence, oxidation states, 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 (structure only)
Group 18 elements – General introduction, electronic configuration, occurrence, trends in physical and chemical properties, uses |
Unit 8 – d and f Block elements |
General introduction, electronic configuration, 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, isomerism (structural and stereo) bonding, Werner’s theory VBT,CFT; importance of coordination compounds(in qualitative analysis, biological systems). |
Unit 10 – 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 for monosubstituted compounds only)
Uses and environment effects of – dichloromethane, tri chloromethane, tetra chloromethane, 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
Phenol – 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; and 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 – 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
Diazonium salts – preparation, chemical reactions, and importance in synthetic organic chemistry |
Unit 14 – Biomolecules |
Carbohydrates – classification (aldoses and ketoses), monosaccharide (glucose and fructose), D.L. configuration, oligosaccharides (sucrose, lactose, maltose), polysaccharides (Starch, cellulose, glycogen): importance
Proteins – elementary idea of – amino acids, peptide bond, polypeptides, proteins, primary structure, secondary structure, tertiary structure and quaternary structure (qualitative idea only), denaturation of proteins; enzymes.
Hormones – Elementary idea (excluding structure)
Vitamins – classification and function
Nucleic acids – DNA and RNA |
Unit 15 – Polymers |
Classification – natural and synthetic, methods of polymerization (addition and condensation), copolymerization. Some important polymers: natural and synthetic like polyesters, Bakelite; rubber, biodegradable and non-biodegradable polymers |
Unit 16 – 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 |