Q.

In which of the following processes, platinum is used as a catalyst

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a

Oxidation of ammonia to form nitric acid

b

Hardening of oils

c

Production of synthetic rubber

d

Synthesis of methanol

answer is A.

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Detailed Solution

4NH3+5O2Pt guage 1100K→4NO→ O24NO2→ 2H2O+O24HNO3
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