Question

Statement I Zero order reactions are relatively uncommon but these occur under special conditions.
Statement II Thermal decomposition of HI on gold surface is a zero order reactions.

• A. Both Statement $I$ and $II$ are correct and Statement $II$ is the correct explanation of Statement $I$.
• B. Both Statement $I$ and $II$ are correct and Statement $II$ is not the correct explanation of Statement $I$.
• C. Statement $I$ is correct, Statement $II$ is incorrect.
• D. Statement $II$ is correct, but Statement $I$ is incorrect.

Answer 1

Answer: (B)

Both the given statements are true. Some enzyme catalysed reactions and reactions which occur on metal surfaces are a few examples of zero order reactions.