NEET Chemistry Syllabus Class 11
Unit 1 – Some basic concepts of Chemistry
General Introduction – Importance and Scope of Chemistry
Laws of chemical combination, Dalton’s atomic theory: the concept of elements, atoms, and molecules
Atomic and molecular masses. Mole concept and molar mass; percentage composition and empirical and molecular formula; chemical reactions, stoichiometry, and calculations based on stoichiometry
Unit 2 – Structure of Atom
Atomic number, isotopes and isobars. Concepts of shells and subshells, dual nature of matter and light, de Broglie’s relationship, Heisenberg uncertainty principle, concept of orbital, quantum numbers, shapes of s,p, and d orbitals, rules for filling electrons in orbitals – Aufbau principle, Pauli exclusion principles and Hund’s rule, electronic configuration of atoms, stability of half filled and completely filled orbitals
Unit 3 – Classification of elements and periodicity in properties
Modern periodic law and long term form of periodic table, periodic trends in properties of elements – atomic radii, ionic radii, ionization enthalpy, election gain enthalpy, electronegativity, valence
Unit 4 – Chemical Bonding and molecular structure
Valence electrons, ionic bond, covalent bond, bond parameters, Lewis structure, polar character of covalent bond, valence bond theory, resonance, geometry of molecules, VSEPR theory, concept of hybridization involving s, p and d orbitals and shapes of some simple molecules, molecular orbital theory of homonuclear diatomic molecules (qualitative idea only). Hydrogen bond
Unit 5 – States of matter – Gases and Liquids
Three states of matter, intermolecular interactions, types of bonding, melting and boiling points, role of gas of elucidating the concept of molecule, Boyle’s law, Charle’s Law, Gay Lussac’s law, Avogadro’s law, ideal behaviour of gases, empirical derivation of gas equation. Avogadro number, ideal gas equation. Kinetic energy and molecular speeds(elementary idea), deviation from ideal behaviour, liquefaction of gases, critical temperature
Liquid state – Vapour pressure, viscosity and surface tension (qualitative idea only, no mathematical derivations)
Unit 6 – Thermodynamics
First law of thermodynamics – internal energy and enthalpy, heat capacity and specific heat, measurement of U and H, Hess’s law of constant heat summation, enthalpy of: bond dissociation, combustion, formation, atomization, sublimation, phase transition, ionization, solution and dilution
Introduction of entropy as state function, Second law of thermodynamics, Gibbs energy for spontaneous and non-spontaneous process, criteria for equilibrium and spontaneity.
Third law of thermodynamics – Brief introduction
Unit 7 – Equilibrium
Equilibrium in Physical and chemical processes, dynamic nature of equilibrium, the law of chemical equilibrium, equilibrium constant, factors affecting equilibrium Le Chatelier’s principle, ionic equilibrium – ionization of acids and bases, strong and weak electrolytes, degree of ionization, ionization of polybasic acids, acid strength, the concept of pH., Hydrolysis of salts(elementary idea), buffer solutions, Henderson equation, solubility product, common ion effect (with illustrative examples)
Unit 8 – Redox reactions
Concept of oxidation and oxidation and reduction, redox reactions oxidation number, balancing redox reactions in terms of loss and gain of electron and change in oxidation numbers
Unit 9 – Hydrogen
Occurrence, isotopes, preparation, properties and uses of hydrogen, hydrides-ionic, covalent and interstitial; physical and chemical properties of water, heavy water; hydrogen peroxide-preparation, reactions, uses and structure
Unit 10 – s Block elements (Alkali and alkaline earth metals)
Group 1 and group 2 elements:
General introduction, electronic configuration, occurrence, anomalous properties of the first element of each group, diagonal relationship, trends in the chemical reactivity with oxygen, water, hydrogen and halogens, uses.
Preparation and properties of some important compounds.
Sodium carbonate, sodium chloride, sodium hydroxide and sodium hydrogen carbonate, biological importance of sodium and potassium.
Industrial use of lime and limestone, biological importance of Mg and Ca.
Unit 11 – Some p-block elements
General introduction to p-Block elements.
Group 13 elements: General introduction, electronic configuration, occurrence, variation of properties, oxidation states, trends in chemical reactivity, anomalous properties of first element of the group, Boron, some important compounds: borax, boric acids, boron hydrides. Aluminium: uses, reactions with acids and alkalies.
General 14 elements: General introduction, electronic configuration, occurrence, variation of properties, oxidation of states, trends in chemical reactivity, anomalous behavior of first element. Carbon, allotropic forms, physical and chemical properties: uses of some important compounds: oxides.
Important compounds of silicon and a few uses: silicon tetrachloride, silicones, silicates, and zeolites, their uses.
Unit 12 – Organic Chemistry- Some Basic Principles and Techniques
General introduction, methods of purification qualitative and quantitative analysis.
Classification and IUPAC nomenclature of organic compounds
Electronic displacements in a covalent bond: inductive effect, electromeric effect, resonance and hyperconjugation
Homolytic and heterolytic fission of a covalent bond: free radials, carbocations, carbanions; electrophiles and nucleophiles, types of organic reactions
Unit 13 – Hydrocarbons
Alkanes – Nomenclature, isomerism, conformations (ethane only), physical properties, chemical reactions including free radical mechanism of halogenation, combustion and pyrolysis
Alkenes – Nomenclature, structure of double bond (ethene), geometrical isomerism, physical properties, methods of preparation: chemical reactions: addition of hydrogen, halogen, water, hydrogen halides (Markovnikov’s addition and peroxide effect), ozonolysis, oxidation, mechanism of electrophilic addition
Alkynes – Nomenclature, structure of triple bond (ethyne), physical properties, methods of preparation, chemical reactions: acidic character of alkynes, addition reaction of – hydrogen, halogens, hydrogen halides and water
Aromatic hydrocarbons – introduction, IUPAC nomenclature, Benzene; resonance, aromaticity, chemical properties: mechanism of electrophilic substitution – Nitration sulphonation, halogenation, Friedel Craft’s alkylation and acylation, directive influence of functional group in mono-substituted benzene; carcinogenicity and toxicity
Unit 14 – Environmental Chemistry
Environmental pollution – Air, water and soil pollution, chemical reactions in atmosphere, smogs, major atmospheric pollutants; acid rain ozone and its reactions, effects of depletion of ozone layer, green house effect and global warming- pollution due to industrial wastes; green chemistry as an alternative tool for reducing pollution, strategy for control of environmental pollution
NEET 2022 Chemistry Syllabus Class 12
Unit 1 – Solid state (2%, 2 questions)
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 (5%, 2 questions)
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; the 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, trichloromethane, 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; mechanism of nucleophilic addition, the 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 bonds, 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, and antihistamines.
Chemicals in food – preservatives, artificial sweetening agents, elementary idea of antioxidants
Cleansing agents – soaps and detergents, cleansing action