In a first order reaction, the concentration of the reactant decreases form `0.8 M` to `0.4 M` in
Channel: Doubtnut
Date: 2020-07-26

In a first order reaction, the concentration of the reactant decreases form `0.8 M` to `0.4 M` in `15 min`. The time taken for the concentration to change form `0.1 M` to `0.025 M` is