A pesticide degrades by a first-order process with a half-life of

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

Problem

4.0\,\text{min}

. Approximately how much time is required for the pesticide concentration to fall to

15\%

of its initial value? (a)

8.0\,\text{min}

(b)

11\,\text{min}

(c)

4.6\,\text{min}

(d)

26\,\text{min}