AIPMT PRELIMS2003Chemistry-Chemical Kinetics

AIPMT PRELIMS 2003 Chemistry First Order Reactions MCQ Question

Type: MCQ-conceptual-Medium-Class 12

The reaction AB\text{A} \rightarrow \text{B} follows first order kinetics. The time taken for 0.8 mole of A to produce 0.6 mole of B is 1 hour. What is the time taken for conversion of 0.9 mole of A to produce 0.675 mole of B?

A

1 hour

B

0.5 hour

C

0.25 hour

D

2 hour

Correct Answer

Option A

Detailed Explanation

For a first order reaction, the time taken is independent of the initial concentration. Therefore, the time taken remains 1 hour.

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