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IIT JEE Old question Papers






IIT JEE Old question Papers
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Syllabus
Chemistry


Physical Chemistry

General topics: Concept of atoms and molecules, Mole concept, Chemical formulae, neutralisation, and displacement reactions, Balanced chemical equations,Dalton’s atomic theory, Calculations (based on mole concept) involving common oxidation-reduction, Concentration in terms of mole fraction, molarity, molality and normality.

Chemical equilibrium: Law of mass action, Equilibrium constant, Le Chatelier’s principle (effect of concentration, temperature and pressure), Solubility product, common ion effect, pH and buffer solutions, Significance of ΔG and ΔG0 in chemical equilibrium, Acids and bases (Bronsted and Lewis concepts), Hydrolysis of salts.

Electrochemistry: Electrochemical cells and cell reactions, Nernst equation and its relation to ΔG, Electrochemical series, Standard electrode potentials, emf of galvanic cells, Electrolytic conductance, specific, equivalent and molar conductivity, Faraday’s laws of electrolysis, Kohlrausch’s law; Concentration cells.

Chemical kinetics: Rates of chemical reactions, Rate constant, First order reactions, Order of reactions, Temperature dependence of rate constant (Arrhenius equation).

Solid state: Classification of solids, seven crystal systems (cell parameters a, b, c, α, β, ), crystalline state,close-packed structure of solids (cubic), Nearest neighbours, ionic radii, simple ionic compounds, packing in fcc, bcc and hcp lattices, point defects.

Solutions: Molecular weight determination from lowering of vapour pressure, Raoult’s law, elevation of boiling point and depression of freezing point.

Surface chemistry: Elementary concepts of adsorption (excluding adsorption isotherms), Elementary ideas of emulsions, Colloids: types, methods of preparation and general properties, surfactants and micelles (only definitions and examples).

Nuclear chemistry: Radioactivity: isotopes and isobars, Kinetics of radioactive decay (decay series excluded), Properties of α, β and rays, carbon dating, Brief discussion on fission and fusion reactions, Stability of nuclei with respect to proton-neutron ratio.
Inorganic Chemistry

Isolation/preparation and properties of the following non-metals: Boron, silicon, phosphorus, nitrogen, oxygen, sulphur and halogens, Properties of allotropes of carbon (only diamond and graphite), phosphorus and sulphur.

Preparation and properties of the following compounds: Oxides, hydroxides, peroxides, carbonates, bicarbonates, chlorides and sulphates of sodium, potassium, magnesium and calcium, Aluminium: alumina, aluminium chloride and alums, Carbon: oxides and oxyacid (carbonic acid), Boron: diborane, boric acid and borax, Silicon: silicones, silicates and silicon carbide, Nitrogen: oxides, oxyacids and ammonia, Oxygen: ozone and hydrogen peroxide, Sulphur: hydrogen sulphide, oxides, sulphurous acid, sulphuric acid and sodium thiosulphate, Phosphorus: oxides, oxyacids (phosphorus acid, phosphoric acid) and phosphine, Halogens: hydrohalic acids, oxides and oxyacids of chlorine, bleaching powder, Xenon fluorides.

Transition elements (3d series): Definition, general characteristics, oxidation states and their stabilities, colour (excluding the details of electronic transitions) and calculation of spin-only magnetic moment; Coordination compounds: nomenclature of mononuclear coordination compounds, cis-trans and ionisation isomerisms, hybridization and geometries of mononuclear coordination compounds (linear, tetrahedral, square planar and octahedral).

Preparation and properties of the following compounds: Potassium permanganate, Oxides and chlorides of tin and lead, Oxides, chlorides and sulphates of Fe2+, Cu2+ and Zn2+, potassium dichromate, silver oxide, silver nitrate, silver thiosulphate.

Ores and minerals: Commonly occurring ores and minerals of iron, lead, magnesium, copper, tin, aluminium, zinc and silver.

Extractive metallurgy: Chemical principles and reactions only (industrial details excluded), Self reduction method (copper and lead), Electrolytic reduction method (magnesium and aluminium), Carbon reduction method (iron and tin), Cyanide process (silver and gold).

Principles of qualitative analysis: Groups I to V (only Ag+, Hg2+, Cu2+, Pb2+, Bi3+, Fe3+, Cr3+, Al3+, Ca2+, Ba2+, Zn2+, Mn2+ and Mg2+); Nitrate, halides (excluding fluoride), sulphate and sulphide.
Organic Chemistry

Concepts: Hybridisation of carbon; [and -bonds; Shapes of simple organic molecules; Structural and geometrical isomerism; IUPAC nomenclature of simple organic compounds (only hydrocarbons, mono-functional and bi-functional compounds); Optical isomerism of compounds containing up to two asymmetric centres, (R,S and E,Z nomenclature excluded); Conformations of ethane and butane (Newman projections); Resonance and hyperconjugation; Keto-enoltautomerism; Determination of empirical and molecular formulae of simple compounds (only combustion method); Inductive and resonance effects on acidity and basicity of organic acids and bases; Hydrogen bonds: definition and their effects on physical properties of alcohols and carboxylic acids; Polarity and inductive effects in alkyl halides; Reactive intermediates produced during homolytic and heterolytic bond cleavage; Formation, structure and stability of carbocations, carbanions and free radicals.

Preparation, properties and reactions of alkanes: Homologous series, Combustion and halogenation of alkanes; physical properties of alkanes (melting points, boiling points and density); Preparation of alkanes by Wurtz reaction and decarboxylation reactions.

Preparation, properties and reactions of alkenes and alkynes: Physical properties of alkenes and alkynes (boiling points, density and dipole moments); Acid catalysed hydration of alkenes and alkynes (excluding the stereochemistry of addition and elimination); Acidity of alkynes; Reactions of alkenes with KMnO4 and ozone; Reduction of alkenes and alkynes; Electrophilic addition reactions of alkenes with X2, HX, HOX and H2O (X=halogen); Preparation of alkenes and alkynes by elimination reactions; Addition reactions of alkynes; Metal acetylides.

Reactions of benzene: Structure and aromaticity; nitration, sulphonation, Friedel-Crafts alkylation and acylation; Electrophilic substitution reactions: halogenation, Effect of o-, m- and p-directing groups in monosubstituted benzenes.

Phenols: Acidity, electrophilic substitution reactions (halogenation, nitration and sulphonation); Reimer-Tieman reaction, Kolbe reaction.

Characteristic reactions of the following (including those mentioned above): Alkyl halides: rearrangement reactions of alkyl carbocation, nucleophilic substitution reactions; Alcohols: esterification, dehydration and oxidation, Grignard reactions, reaction with sodium, ZnCl2/concentrated HCl, conversion of alcohols into aldehydes and ketones; phosphorus halides, Ethers: Preparation by Williamson’s Synthesis; Aldehydes and Ketones: oxidation, aldol condensation, Perkin reaction; Cannizzaro reaction; haloform reaction and nucleophilic addition reactions (Grignard addition); Carboxylic acids: formation of esters, acid chlorides and amides, reduction, oxime and hydrazone formation; ester hydrolysis; Amines: basicity of substituted anilines and aliphatic amines, preparation from nitro compounds, reaction with nitrous acid, Sandmeyer and related reactions of diazonium salts; azo coupling reaction of diazonium salts of aromatic amines, carbylamine reaction; Haloarenes: nucleophilic aromatic substitution in haloarenes and substituted haloarenes (excluding Benzyne mechanism and Cine substitution).

Carbohydrates: Classification; mono- and di-saccharides (glucose and sucrose); reduction, Oxidation, glycoside formation and hydrolysis of sucrose.

Amino acids and peptides: General structure (only primary structure for peptides) and physical properties.

Properties and uses of some important polymers: Natural rubber, cellulose, nylon, teflon and PVC.

Practical organic chemistry: Detection of elements (N, S, halogens); Detection and identification of the following functional groups: hydroxyl (alcoholic and phenolic), carboxyl, amino and nitro; carbonyl (aldehyde and ketone), Chemical methods of separation of mono-functional organic compounds from binary mixtures.