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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

30 minutes

B

60 minutes

C

7.5 minutes

D

15 minutes

Text Solution

Verified by Experts

The correct Answer is:
A
`0.8Moverset(15"min")(to)0.4M ,0.1overset(15)(to)0.05overset(15)(to)0.025`
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