VITEEE 2011 Part – II – Chemistry
Bohr’s atomic model-Sommerfeld’s extension of atomic structure; Electronic confi guration and Quantum numbers; Shapes of s,p,d,f orbitals – Pauli’s exclusion principle – Hund’s Rule of maximum multiplicity – Aufbau principle – Emission spectrum, absorption spectrum, line spectra and band spectra; Hydrogen spectrum – Lyman, Balmer,Poschen, Bracket and Pfund series; deBroglie’s theory; Heisenberg’s uncertainty principle – wave nature of electron – Schrodinger wave equation (No derivation). Eigen values and eigen functions. Hybridization of atomic orbitals involving s,p,d orbitals.
p, d and f – Block Elements
p block elements – Phosphorous compounds; PCl3, PCl5 Oxides. Hydrogen halides, Inter halogen compounds. Xenon fl uoride compounds. General Characteristics of d-block elements – Electronic Confi guration – Oxidation states of fi rst row transition elements and their colours. Occurrence and principles of extraction: Copper, Silver, gold and Zinc. Preparation, properties of CuSO4, AgNO3 and K2Cr2O7. Lanthanides-Introduction, electronic confi guration, general characteristics, oxidation state – lanthanide contraction, uses, brief comparison of Lanthanides and Actinides. Nuclear energy
Coordination Chemistry and solid state chemistry
Introduction – Terminology in coordination chemistry – IUPAC nomenclature of mononuclear coordination compounds. Isomerism – Geometrical isomerism in
4-coordinate, 6-coordinate complexes. Th eories on coordination compounds – Werner’s theory (brief), Valence Bond theory. Uses of coordination compounds. Bioinorganic compounds (Hemoglobin and chlorophyll). Lattice – unit cell, systems, types of crystals, packing in solids; Ionic crystals – Imperfections in solids – point defects. X-Ray diff raction – Electrical Property, Amorphous solids (elementary ideas only).
Th ermodynamics, Chemical Equilibrium and Chemical
Kinetics I and II law of thermodynamics – Spontaneous and non spontaneous processes, entropy, Gibb’s free energy – Free energy change and chemical equilibrium – signifi canceof entropy. Law of mass action – Le Chatlier’s principle, applications of chemical equilibrium. Rate expression, order and molecularity of reactions, zero order, fi rst order and pseudo fi rst reaction – half life period. Determination of rate constant and order of reaction – Temperature dependence of rate constant – Arrhenius equation, activation energy.
Th eory of electrical conductance; metallic and electrolytic conductance. Faraday’s laws – theory of strong electrolytes – Specifi c resistance, specifi c conductance, equivalent and molar conductance – Variation of conductance with dilution – Kohlraush’s law – Ionic product of water, pH and pOH – buff er solutions – use of pH values. Cells – Electrodes andelectrode potentials – construction of cell, EMF values, Fuel cells, Corrosion and its prevention (Basics only).
Isomerism in Organic Compounds
Defi nition, Classifi cation – structural isomerism, stereo isomerism – geometrical and optical isomerism. Optical activity – chirality – compounds containing chiral centres – R – S notation, D – L notation.
Alcohols and Ethers
Nomenclature of alcohols – Classifi cation of alcohols – distinction between 10, 20 and 30 alcohols – General methodsof preparation of primary alcohols, properties. Methods of preparation of dihydric alcohols: Glycol – Properties – Uses, Methods of preparation of trihydric alcohols – Properties – uses. Aromatic alcohols – Preparation and properties of phenols and benzyl alcohol.
Ethers – Nomenclature of ethers – general methods of preparation of aliphatic ethers – Properties – Uses. Aromatic ethers – Preparation of anisole – Uses.
Nomenclature of carbonyl compounds – Comparison of aldehydes and ketones. General methods of preparation of aldehydes – Properties – Uses. Aromatic aldehydes – Preparation of benzaldehyde – Properties and Uses. Ketones – general methods of preparation of aliphatic ketones (acetone) – Properties – Uses. Aromatic ketones – preparation of acetophenone – Properties – Uses, preparation of benzophenone – Properties. Name reactions; Clemmenson reduction, wolff – kishner reduction, cannizaro reaction, Claisen Schmidt reaction, Benzoin Condensation, aldol Condensation. Preparation and applications of Grignard reagents.
Carboxylic Acids and their derivatives
Nomenclature – Preparation of aliphatic monocarboxylic acids – formic acid – Properties – Uses. Monohydroxy mono carboxylic acids; Lactic acid – synthesis of lactic acid. Aliphatic dicarboxylic acids; Preparation of oxalic and succinic acid. Aromatic acids; Benzoic and Salicylic acid – Properties – uses. Derivatives of carboxylic acids; acetyl chloride (CH3COCl) – Preparation – Properties – Uses. Preparation of acetamide, Properties – acetic anhydride– preparation, Properties. Preparation of esters – methyl acetate – Properties.
Organic Nitrogen Compounds
Aliphatic nitro compounds – Preparation of aliphatic nitroalkanes – Properties – Uses. Aromatic nitro compounds – Preparation – Properties – Uses. Distinction between aliphatic and aromatic nitro compounds. Amines; aliphatic amines – General methods of preparation – Properties – Distinction between 10, 20 and 30 amines. Aromatic amines – Synthesis of benzylamine – Properties, Aniline – Preparation – Properties – Uses. Distinction between aliphatic and aromatic amines. Aliphatic nitriles – Preparation – properties – Uses. Diazonium salts – Preparation of benzene diazoniumchloride – Properties.
Carbohydrates – distinction between sugars and non sugars, structural and formulae of glucose, fructose and sucrose, with their linkages, invert sugar – defi nition and examples of polysaccharides, amino acids, peptides
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