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SYLLABUS (2016-17) OLD
UNIT-I
inorganic chemistry S2–I–1–p–block elements – ii Oxides : Type of oxides (a) Normal – acidic, basic, amphoteric and neutral (b) Mixed (c) sub oxide (d) peroxide (e) superoxide. Structure of oxides of C, N, P, S and Cl – reactivity, thermal stability, hydrolysis. Oxy Acids : Structure and acidic nature of oxyacids of B, C, N, P, S and Cl. Redox properties of oxyacids of Nitrogen : HNO2 (reaction with FeSO4 , KMnO4 , K2 Cr2 O7 ), HNO3 (reaction with H2 S, Cu), HNO4 (reaction with KBr, Aniline), H2 N2 O2 (reaction with KMnO4 ). Redox properties of oxyacids of Phosphorus : H3 PO2 (reaction with HgCl2 ), H2 PO3 (reaction with AgNO3 , CuSO4 ). Redox properties of oxyacids of Sulphur : H2 SO3 (reaction with KMnO4 , K2 Cr2 O7 ), H2 SO4 (reaction with Zn, Fe, Cu), H2 S2 O3 (reaction with Cu, Au), H2 SO5 (reaction with KI, FeSO4 ), H2 S2 O8 (reaction with FeSO4 , KI) Interhalogens : Classification – general preparation – structure of AB, AB3 , AB5 and AB7 type and reactivity. Poly halides – definition and structure of ICl2 – , ICl4 – and I3 – . Comparison of pseudohalogens with halogens. S2 – I – 2 Chemistry of zero group elements General preparation, structure, bonding and reactivity of Xenon compounds – Oxides, Halides and Oxy–halides. Clathrate compounds and Anomalous behavior of He (II). S2 – I – 3 Chemistry of d – block elements Characteristics of d-block elements with special reference to electronic configuration variable valence, ability to form complexes, magnetic properties & catalytic properties. Stability of various oxidation states and SRP Comparative treatment of second and third transition series with their 3d analogues. Study of Ti, Cr and Cu triads. Titanium triad – electronic configuration and reactivity of +3 and +4 states – oxides and halides. Chromium triad – reactivity of +3 and +6 states. Copper triad – reactivity of +1, +2 and +3 states.
UNIT-II
organic chemistry S2–O–1 : Aromatic hydrocarbons Concept of aromaticity – definition, Huckel’s rule – application to Benzenoids and Non-Benzenoids (cyclopropenyl cation, cyclopentadienyl anion and tropylium cation). Preapartions : From acetylene, phenols, benzene carboxylic acids and sulphonic acids Reactions – General mechanism of electrophilic substitution, mechanism of nitration, sulphonation, and halogenation, Friedel Craft’s alkylation (polyalkylation) and acylation. Orientation of aromatic substitution – Definition of ortho, para, and meta directing groups. Ring activating and deactivating groups with examples. Orientation – (i) activating groups : Amino, methoxy and alkyl groups. (ii) Deactivating groups : carboxy, nitro, nitrile, carbonyl and sulphonic acid & halo groups. S2–O–2 : arenes and polynuclear aromatic hydrocarbons Preparation of alkyl benzenes by Friedel Craft’s alkylation, Friedel Craft’s acylation followed by reduction. WurtzFitting reaction. Chemcial reactivity : Ring substitution reactions, side chain substitution reactions and oxidation. Polynuclear hydrocarbons – Structure of naphthalene and anthracene (Molecular Orbital diagram and resonance energy) Reactivity towards electrophilic substitution. Nitration and sulphonation as examples. S2–O–3 : halogen compounds Nomenclature and classification : Alkyl (primary, secondary, tertiary), aryl, aralkyl, allyl, vinyl, benzyl. Chemical reactivity – reduction, formation of RMgX, Nucleophilic substitution reactions – classification into SN 1 and SN 2 . Mechanism and energy profile diagrams of SN 1 and SN 2 reactions. Stereochemistry of SN 2 (Walden Inversion) 2 – bromobutane, SN 1 (Racemisation) 1 – bromo – 1 – phenylpropane explanation of both by taking the example of optically active alkyl halide. Structure and reactivity – Ease hydrolysis - comparison of alkyl, vinyl, allyl, aryl, and benzyl halides.
UNIT-III
physical chemistry S2–P–1 : Solutions Liquid – liquid mixtures, ideal liquid mixtures, Raoult’s and Henry’s laws. Non ideal systems. Azeotropes HCl - H2 O and C2 H5 OH - H2 O systems. Fractional distillation. Partially miscible liquids – Phenol – Water, Trimethyl amine – Water and Nicotine – Water systems. Lower upper consolute temperatures. Effect of impurity on consolute temperature. Immiscible liquids and steam distillation. Nernst distribution law. Calculation of the partition coefficient. Applications of distribution law with solvent extraction. S2–P–2 : dilute solutions & colligative properties Dilute Solutions, Colligative properties, Raoult’s law, relative lowering of vapour pressure, molecular weight determination. Osmosis – la
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