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First Order Reaction

Half-life per...

Question

Half-life period of a first order reaction is:

A

Inversely proportional to the concentration.

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B

Independent of the concentration.

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C

Directly proportional to the initial concentration.

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D

Directly proportional to the final concentration.

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Solution

The correct option is B Independent of the concentration.
For first order reaction $T_{\frac{1}{2}} = \frac{0.693}{k}$ .

So It is independent of concentration.

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