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Question

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

A
second
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B
more than zero but less than first
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C
zero
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D
first
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Solution

The correct option is D first
When initial concentration of a reactant is doubled in a reaction, its half-life period is not affected. The order of the reaction is 1. The half-life period t1/2 of the first-order reaction is independent of the initial concentration of the reactant.

t1/2=0.693k

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