Practicing Success

Target Exam

CUET

Subject

Chemistry

Chapter

Physical: Chemical Kinetics

Question:

The half-life of a first order reaction is 6.93 seconds. What is the value of rate constant of the reaction?

Options:

1.0 s-1

0.1 s-1

0.01 s-1

0.001 s-1

Correct Answer:

0.1 s-1

Explanation:

t1/2 = \(\frac{0.693}{k}\)

k = \(\frac{0.693}{6.93}\) = 0.1 s-1