Published by:
CGP EDU Academic Team
Published on: August 14, 2026
In a first order reaction, the concentration of the reactant decreases from 0.8 M to 0.4 M in 15 minutes. The time taken for the concentration to change from 0.1 M to 0.025 M is -
Text Solution
Verified by ExpertsThe correct answer is:
A
1M 
0.05M 
0.025M
t = 2 × t 1/2 = 2 × 15 = 30 minute
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