For which order reaction t1/2 is indepen

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Target Exam

CUET

Subject

Chemistry

Chapter

Physical: Chemical Kinetics

Question:

For which order reaction t_1/2 is independent of initial reactant concentration?

Options:

Zero order

First order

Second order

All of these

Correct Answer:

First order

Explanation:

Half life period of first order reactions is independent of the reactant's initial concentration.

t_1/2= \(\frac{0.693}{k}\)

where k is the rate costant.