Physical chemistry
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.
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.
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).
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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