Question

For a given reaction of first order, it takes 20 minutes for the concentration to drop from 1.0 M to 0.6 M. The time required for the concentration to drop from 0.6 M to 0.36 M will be:O More than 20 minutesO Less than 20 minutesO Equal to the 20 minutesO Infinity

Answer 1

The time required to complete 40% reaction is 20 min, and `0.6 rarr 0.36` is also 40% of reaction so in both cases time taken will be equal i.e., 20 min.