UNIVERSITY OF MADRAS
B.Sc. DEGREE COURSE IN CHEMISTRY
SEMESTER SYSTEM WITH CREDITS
(Effective from the Academic Year 2003-2004)

Allied Chemistry - Human Ecology and Resource Management Major - Paper I

(45 hrs)

Unit - I

1.1 Chemical bonding

Molecular orbital Theory - bonding, anti bonding and non-bonding orbitals. Bond order M.0. configurations of H₂. He₂, N₂, O₂, F₂. Diamasnetism and para magnetism. VSEPR Theory. Shapes of H₂O, NH₃, CH₄, BrF₃, IF₅, IF₇ molecular.

1.2. Preparation, properties, uses and structures of peracids of sulphur. Preparation and uses of sodium hydro suiphite, sodium Thiosuiphate.

1.3. Hydrides
Classification, preparation and properties.

Unit - II

2.1. Stereo isomerism - Elements of symmetry - symmetry and asymmetry - cause of optical activity - Isomerism of Tartaric acid, recimisation and resolution. Geometrical isomerism of maleic and fumaric acids - Keto - enol tautomerism.

2.2. Aromatic compounds : Aromaticity - Huckel's rule - Mechanism of Nitration, halogenation, acylation and sulphonation of benzerie.

2.3. Preparaion and uses of CHCl₃, Saccharin, Aspartic Acid, Aspirin, Phenaeetin.

Unit - III

3.1. Energeties Types of system - reversible and irreversible processes, isothermal, adiabatic processer and spontaneous processes statements of I law, Need for II law of Thermo dynamics and statements.

3.2. Solutions - Liquid in liquid type - Raoult's law for ideal solutions - positive and negative deviations from Rasult's law - reasons and examples - Fractional distillation and azeotropic distillation.