Chemistry-Rate of Reaction

NEET Chemistry Rate of Reaction MCQ Question

Type: MCQ-diagram based-Medium-Class 12

Consider a plot between ln[R] and time for a first-order reaction. Which of the following best describes the slope of this plot?

Question diagram
A

Slope is equal to -k.

B

Slope is equal to k.

C

Slope is equal to 1/k.

D

Slope is equal to -1/k.

Correct Answer

Option A

Detailed Explanation

For a first-order reaction, the plot of ln[R] vs. time results in a straight line with a slope of -k, where k is the rate constant.

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