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If 'a' is the initial concentration of a...

If 'a' is the initial concentration of a substance which reacts according to zero order kinetic and `k` k'is rate constant, the time for the reactant to go to completion is,

A

`a//K`

B

`2//k`

C

`K//a`

D

`2K//a`

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The correct Answer is:
A
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