If the rate constant for a first order reaction is k, the ti... | Chemistry | SolveeIt | Solveeit

Today, August 18

Question

If the rate constant for a first order reaction is k, the time(t) required for the completion of 99% of the reaction is given by

A

$t=\frac{4.606}{k}$

B

$t=\frac{2.303}{k}$

C

$t=\frac{0.693}{k}$

D

$t=\frac{6.909}{k}$

Answer

$t=\frac{4.606}{k}$

Explanation

Solution

The correct answer is (A) : $t=\frac{4.606}{k}$ .