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  • In which of the following reactions heterogeneous catalysis is involved ?

In which of the following reactions heterogeneous catalysis is involved?

(i) 2\text {SO}_{2}(g)+ \text {O}_{2}\overset{V_{2}O_{5}}{\rightarrow}2 {SO}_{3}(g)

(ii) 2\text {SO}_{2}(g)+O_{2}\overset{NO_{(g)}}{\rightarrow}2\text {SO}_{3}(g)

 (iii) \text {N}_{2}(g)+3\text {H}_{2}(g)\overset{Fe}{\rightarrow} 2\text {NH}_{3}(g)

 (iv) \text {CH}_{3}\text {COOCH}_{3}+\text {H}_{2} \text {O}\overset{HCl}{\rightarrow}\text {CH}_{3}\text {COOH}(aq)+\text {CH}_{3}\text {OH}\text {(aq)}

(a) (i), (iii)

(b) (ii), (iii), (iv)

(c) (i), (ii), (iii)

(d) (iv)

Answers (1)

The answer is the option (i).

Reaction (I) and (III) are heterogeneous catalysis since reacting species and products are in the gas phase and catalyst is in the solid phase.

Posted by

infoexpert23

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