MCQ
The rate constant for a first order reaction is $20\,min ^{-1}$. The time required for the initial concentration of the reactant to reduce to its $\frac{1}{32}$ level is $........\times 10^{-2}\,min$. (Nearest integer)(Given: $\quad \ln 10=2.303, \log 2=0.3010)$
- A$16$
- B$15$
- ✓$17$
- D$14$
