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Question

Chemistry Question on Chemical Kinetics

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

A

remains unchanged

B

is halved

C

is tripled

D

is doubled

Answer

is doubled

Explanation

Solution

Half life of zero order

t1/2=[A0]2Kt _{1 / 2}=\frac{\left[ A _{0}\right]}{2 K }
t1/2t _{1 / 2} will be doubled on doubling the initial concentration.