General
topics: Concept of atoms
and molecules; Dalton’s atomic theory; Mole concept; Chemical formulae;
Balanced chemical equations; Calculations (based on mole concept) involving
common oxidation-reduction, neutralisation, and displacement reactions;
Concentration in terms of mole fraction, molarity, molality and normality.
Extractive
metallurgy: Chemical principles
and reactions only (industrial details excluded); Carbon reduction method (iron
and tin); Self reduction method (copper and lead); Electrolytic reduction
method (magnesium and aluminium); Cyanide process (silver and gold).
Gaseous
and liquid states: Absolute scale of
temperature, ideal gas equation; Deviation from ideality, van der Waals
equation; Kinetic theory of gases, average, root mean square and most probable
velocities and their relation with temperature; Law of partial pressures;
Vapour pressure; Diffusion of gases.
Atomic
structure and chemical bonding: Bohr model, spectrum of hydrogen
atom, quantum numbers; Wave-particle duality, de Broglie hypothesis;
Uncertainty principle; Qualitative quantum mechanical picture of hydrogen atom,
shapes of s, p and d orbitals; Electronic configurations of elements (up to
atomic number 36); Aufbau principle; Pauli’s exclusion principle and Hund’s
rule; Orbital overlap and covalent bond; Hybridisation involving s, p and d
orbitals only; Orbital energy diagrams for homonuclear diatomic species;
Hydrogen bond; Polarity in molecules, dipole moment (qualitative aspects only);
VSEPR model and shapes of molecules (linear, angular, triangular, square
planar, pyramidal, square pyramidal, trigonal bipyramidal, tetrahedral and
octahedral).
Energetics: First law of
thermodynamics; Internal energy, work and heat, pressure-volume work; Enthalpy,
Hess’s law; Heat of reaction, fusion and vapourization; Second law of
thermodynamics; Entropy; Free energy; Criterion of spontaneity.
Chemical
equilibrium: Law of mass action;
Equilibrium constant, Le Chatelier’s principle (effect of concentration,
temperature and pressure); Significance of ΔG and ΔG° in chemical equilibrium;
Solubility product, common ion effect, pH and buffer solutions; Acids and
bases (Bronsted and Lewis concepts); Hydrolysis of salts.
Electrochemistry: Electrochemical
cells and cell reactions; Standard electrode potentials; Nernst equation and
its relation to ΔG; Electrochemical series, emf of galvanic cells; Faraday’s
laws of electrolysis; Electrolytic conductance, specific, equivalent and molar
conductivity, Kohlrausch’s law; Concentration cells.
Chemical
kinetics:
Rates of chemical reactions; Order of reactions; Rate constant; First order
reactions; Temperature dependence of rate constant (Arrhenius equation).
Solid
state: Classification of
solids, crystalline state, seven crystal systems (cell parameters a, b, c, α,
β, γ), close packed structure of solids (cubic), packing in fcc, bcc and hcp
lattices; Nearest neighbours, ionic radii, simple ionic compounds, point
defects.
Solutions: Raoult’s
law; Molecular weight determination from lowering of vapour pressure, elevation
of boiling point and depression of freezing point.
Surface
chemistry:
Elementary concepts of adsorption (excluding adsorption isotherms); Colloids:
types, methods of preparation and general properties; Elementary ideas of
emulsions, surfactants and micelles (only definitions and examples).
Nuclear
chemistry:
Radioactivity: isotopes and isobars; Properties of α, β and γ rays; Kinetics of
radioactive decay (decay series excluded), carbon dating; Stability of nuclei
with respect to proton-neutron ratio; Brief discussion on fission and fusion
reactions.
Inorganic
Chemistry
Isolation/preparation
and properties of the following non-metals: Boron, silicon, nitrogen,
phosphorus, oxygen, sulphur and halogens; Properties of allotropes of carbon
(only diamond and graphite), phosphorus and sulphur.
Preparation
and properties of the following compounds: Oxides, peroxides,
hydroxides, carbonates, bicarbonates, chlorides and sulphates of sodium,
potassium, magnesium and calcium; Boron: diborane, boric acid and borax;
Aluminium: alumina, aluminium chloride and alums; Carbon: oxides and oxyacid
(carbonic acid); Silicon: silicones, silicates and silicon carbide;
Nitrogen: oxides, oxyacids and ammonia; Phosphorus: oxides, oxyacids
(phosphorus acid, phosphoric acid) and phosphine; Oxygen: ozone and hydrogen
peroxide; Sulphur: hydrogen sulphide, oxides, sulphurous acid, sulphuric acid
and sodium thiosulphate; 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: Oxides and
chlorides of tin and lead; Oxides, chlorides and sulphates of Fe2+,
Cu2+ and Zn2+;
Potassium permanganate, potassium dichromate, silver oxide, silver nitrate,
silver thiosulphate.
Ores
and minerals: Commonly occurring ores and minerals of iron, copper, tin, lead,
magnesium, aluminium, zinc and silver.
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; Sigma and pi-bonds; Shapes of simple organic molecules; Structural and
geometrical isomerism; Optical isomerism of compounds containing up to
two asymmetric centres, (R,S and E,Z nomenclature excluded); IUPAC
nomenclature of simple organic compounds (only hydrocarbons, mono-functional
and bi-functional compounds); Conformations of ethane and butane (Newman
projections); Resonance and hyperconjugation; Keto-enol tautomerism;
Determination of empirical and molecular formulae of simple compounds (only
combustion method); Hydrogen bonds: definition and their effects on physical
properties of alcohols and carboxylic acids; Inductive and resonance effects on
acidity and basicity of organic acids and bases; 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,
physical properties of alkanes (melting points, boiling points and density);
Combustion and halogenation of alkanes; 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); Acidity of
alkynes; Acid catalysed hydration of alkenes and alkynes (excluding the
stereochemistry of addition and elimination); Reactions of alkenes with KMnO4
and ozone; Reduction of alkenes and alkynes; Preparation of alkenes and alkynes
by elimination reactions; Electrophilic addition reactions of alkenes with X2,
HX, HOX (X=halogen) and H2O; Addition reactions of alkynes; Metal
acetylides.
Reactions
of benzene: Structure and
aromaticity; Electrophilic substitution reactions: halogenation, nitration,
sulphonation, Friedel-Crafts alkylation and acylation; 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, Grignard
reactions, nucleophilic substitution reactions; Alcohols:
esterification, dehydration and oxidation, reaction with sodium, phosphorus
halides, ZnCl2/concentrated HCl, conversion of alcohols into aldehydes and
ketones; Ethers:Preparation by Williamson’s Synthesis; Aldehydes and
Ketones: oxidation, reduction, oxime and hydrazone formation; aldol
condensation, Perkin reaction; Cannizzaro reaction; haloform reaction and
nucleophilic addition reactions (Grignard addition); Carboxylic acids:
formation of esters, acid chlorides and amides, ester hydrolysis; Amines:
basicity of substituted anilines and aliphatic amines, preparation from nitro
compounds, reaction with nitrous acid, azo coupling reaction of diazonium salts
of aromatic amines, Sandmeyer and related reactions of diazonium salts;
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); Oxidation, reduction, 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), carbonyl (aldehyde and
ketone), carboxyl, amino and nitro; Chemical methods of separation of
mono-functional organic compounds from binary mixtures.
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