problem 1)(a) How is copper extracted from its ore?

(b) Describe Van-Arkel Deboyer’s method.

(c) describe gravity separation process

problem 2)(a) How is steel manufactured?

(b) Describe the electrolytic refining process.

(c) prepare brief notes on:

(i) Calcination.

(ii) Froth floatation process.

problem 3)(a) How are radioactivity measured by Wilson’s cloud chamber and G.M.counter method?

(b) prepare detailed notes on Carbon dating .

(c) Describe the principle in the atom bomb.

problem 4)(a) Describe the principle of cyclotron.

(b) prepare detailed notes on Packing fraction.

(c) Describe the applications of radioactivity

problem 5)(a) Describe the reactions in liquid ammonia.

(b) Describe lewis concePt of acids and bases.

(c) prepare notes on steric effect.

problem 6)(a) Describe Lux-Flood concepts of acids and bases.

(b) prepare notes on levelling effect.

(c) prepare notes on non-aqueous solvents.

problem 7)(a) Describe the salient features of CFT.

(b) How is stability constant determined?

(c) prepare notes on Jahn Teller effect. (8+6+6)

problem 8)(a) Describe the structure of ferrocene.

(b) Compare VBT and MOT.

(c) prepare detailed notes on carbonyl compounds.