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A substance ''A'' decomposes in solution...

A substance `''A''` decomposes in solution following the first order kinetics. Flask `I` contains `1L` of `1 M` solution of `A` and falsk `II` contains `100 mL` of `0.6 M` solution. After `8 hr`, the concentration, of `A` in flask `I` becomes `0.25 M`. What will be the time for concentration of `A` in flask `II` to become `0.3 M` ?

A

0.4 hrs

B

2.4 hrs

C

4.0 hrs

D

Unprdictable as the rate constant is not given

Text Solution

Verified by Experts

The correct Answer is:
C
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