PYQ NEET- Chemical Kinetics L-8

Question: The rate constant for a first order reaction is $4.606 \times 10^{-3} \mathrm{~s}^{-1}$. The time required to reduce $2.0 \mathrm{~g}$ of the reactant to $0.2 \mathrm{~g}$ is :#

A) $200 \mathrm{~s}$

B) $500 \mathrm{~s}$

C) $1000 \mathrm{~s}$

D) $100 \mathrm{~s}$

Answer: $500 \mathrm{~s}$#