In a first order reaction, the concentra...

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 hange from 0.1 M to 0.025 M is

A

7.5 minutes

B

15 minutes

C

30 minutes

D

60 minutes

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The correct Answer is:

C

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