problem 1)(a) Describe mesomeric effect with ex.

(b) Give the Hawarath’s synthesis of naphthalene.

problem 2)(a) Describe the oxidation reactions of Glucose with:

(i) HI.

(ii) HNO3 and

(iii) Tollen’s reagent.

(b) Give the biological classification of proteins.

problem 3)(a) How the kinetics of a reaction is determined by colourimetric method?

(b) What is activation energy and how it is determined?

problem 4)(a) Describe extraction of Chromium from its ore.

(a) prepare the methods of concentration of ores.

problem 5)(a) Describe the structural classification of silicates with ex.

(b) What is the application of silicon in electronic industry?

problem 6)(a) describe the optical isomerism in tartaric acid.

(b) prepare down the mechanism of Friedel Crafts acylation reaction.

problem 7)(a) Describe Killani-Fischer Synthesis and Ruff Degradation.

(b) Describe the preparation of α -amino acids.

problem 8)(a) State the Arrhenius equation and describe the terms in it.

(b) Derive an expression for the rate constant of zero order reaction.