For a reaction

CHEMISTRY · Single correct · CBSE · Chemistry · Chemical Kinetics · Chemical Kinetics

Problem

For a reaction

2\mathrm{A}+\mathrm{B}\rightarrow\text{products}

, the rate law is

-\frac{d[\mathrm{A}]}{dt}=k[\mathrm{A}]

. At

t=\frac1k

, the concentration of reactant

\mathrm{A}

(C_0=\text{initial concentration})

(a)

\frac{C_0}{e}

(b)

C_0e

(c)

\frac{C_0}{e^2}

(d)

\frac1{C_0}