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For a second order reaction dx//dt =k(a...

For a second order reaction `dx//dt =k(a-x)^(2)`. Its half life periof is

A

`(1)/(a.k)`

B

`(0.693)/(k)`

C

`(a)/(k)`

D

`(0.693)/(ak)`

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The correct Answer is:
A
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