When initial concentration of the reactant is doubled, the half-life period of a zero order reaction:

Is tripled

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Is doubled

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Is halved

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Remains unchanged

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Solution

The correct option is B Is doubled
Half-life of zero order reaction is given by
$T_{1 / 2}$ = $[A]_{o}$ /2K

so, on doubling the initial concentration, $T_{1 / 2}$ will be doubled.

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When initial concentration of a reactant is doubled in a reaction, its half-life period is not affected. The order of the reaction is:

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