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A first order reaction takes t(1) and t...

A first order reaction takes `t_(1) and t_(2)s` for its 20% and 60% completions , respectively . If its half-life is `t_(3)s` , then -

A

`t_(2)-t_(1)gtt_(3)`

B

`t_(2)-t_(1)ltt_(3)`

C

`t_(2)-t_(1)=t_(3)`

D

cannot be predicted

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The correct Answer is:
C
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