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

ALLIED CHEMISTRY - PAPER - II

Unit - I

1.1 Carbohydrates :

Classification - properties of glucose and fructose - discussion about open - chain and ring structures of glucose and fructose. Properties and structure of sucrose. Properties and uses of starch and cellulose and their derivatives.

1.2 Aminoacids :

Classification. Preparation and properties of alpha amino acids. Peptide synthesis. Classification of proteins by physical properties and biological functions. Biological functions of peptide harmories, protein harmones. Elementary ideas about RNA and DNA.

1.3 Chemotherapy :

Preparation. uses and mode of action of sulpha drugs-Prontosil, Suiphadiazine and Suiphafurazole. Uses of Pencillin, chloramphenicaol and streptomycin. Defmation and one example each for - analgesics. antipyretics, tranquilisers, sedatives, hypnotics, local anesthetics and general anesthetics.
Cause and treatment of- diabetes, cancer and AIDS.

Unit - II

2.1 Co-ordination chemistry :

Nomenclature. Theories of Wener and Pauling. Examples and effects of chelation. lonisation isomerism Chemistry of EDTA, hemoglobin and chlorophyll.

2.2 Industrial chemistry :

Fuel gases- Natural gas, water gas, semi-water gas, carburetted water gas, producer gas, oil gas (composition and uses only) Synthesis, properities and uses of silicones.

2.3 Fertilisers :

Preparation and uses of urea, animoniurn sulphate, superphosphate, triple superphosphate and NPK fertilizer.

2.4 Environmental chemistry :

Pollution of air, water and soil by chemicals and chemical industries-Sources consequences and controlling methods.

Unit - III

3.1 Photochemistry:

Grotthus-Drapers law and Stark-Einstien's law of photochemical equivalence. Quantum yield. Examples for photochemical reactions-Hydrogen- Chlorine reaction, phothsynthesis. Phosophorescence, Fluorescence, Chemilumin escence and photosensitisation - definitions with examples.

3.2 Phase rule:

Phase rule and the defmition of terms in it. Application of phase rule to water system. Reduced phase rule and its application to a simple eutectic system (Pb-Ag). Freezing mixtures.

3.3 Electrochemistry:

Ionic equilibria- strong and weak electorolytes, acid-base, common ion effect, pH, buffer solutions and buffer action in biological systems and salt hydrolysis. (definitions, examples and equations only). (No derivations)

Galvanic cells:

EMF and its origin, standard electrode potentials, refernce electrodes (NHE and Calomel) Electrochemical series and its applications. Formation of standard cells, cell reaction and calculation of EMF_s. Lead storage cell. Corrosion and its prevention.