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In a first-order reaction A→B, if k is r...

In a first-order reaction A→B, if k is rate constant and initial concentration of the reactant A is 0.5 M then the half-life is:

A

`(In2)/K`

B

`(0.693)/(0.5K)`

C

`(log2)/K`

D

`(log2)/(Ksqrt(0.5))`

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The correct Answer is:
A
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