Q.3.(a) State the conditions required for the following reactions to take place •:
(i) Catalytic hydrogenation of ethyne.
(ii) Preparation of ethyne from ethylene dibromide.
(iii) Catalytic oxidation of ammonia to nitric acid.
(iv) Any two conditions for the conversion of sulphur dioxide to sulphur trioxide.

Dear Student,

(i) Presence of a Ni/Pt catalyst
(ii) Alcoholic solution of KOH
(iii) Heat, oxygen, catalyst Pt (with 10% Rh) and water
(iv) 400 to 450 oC, 1 to 2 atm pressure, V2O5 catalyst.

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