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In the following questions two or more options may be correct.

At high pressure, the following reaction is zero order.

2NH_{3}(g)\overset{1130 K \; \text {Platinum catalyst}}{\rightarrow} \; N_{2}(g)+3H_{2}(g)

Which of the following options are correct for this reaction?

(i) Rate of reaction = Rate constant
(ii) Rate of the reaction depends on concentration of ammonia.
(iii) Rate of decomposition of ammonia will remain constant until ammonia
disappears completely.
(iv) Further increase in pressure will change the rate of reaction.

Answers (1)

The answer is the option (i, iii, iv) The rate of reaction is not dependent on the concentration of ammonia in a zero-order reaction.

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