CBSE 2024 · Region 2 · Set 2 · Q10

Half-life period of a first order reaction is 1386 seconds. The rate constant (k) of the reaction is:

A

$\displaystyle 0.5 \times 10^{-3} \mathrm{~s}^{-1}$

B

$\displaystyle 5.0 \times 10^{-3} \mathrm{~s}^{-1}$

C

$\displaystyle 5 \times 10^{-2} \mathrm{~s}^{-1}$

D

$\displaystyle 0.5 \times 10^{-2} \mathrm{~s}^{-1}$

Check answer