Question

what is meant by half life period ? derive an expression for half life period in case of a first order reaction.​

Answer 1

Answer:

The half life of a reaction is the time in which the concentration of reactant is reduced to one half of its concentration. It is represented as

$t_{ \frac{1}{2} }$

The half life of first order reaction is given as:

$t_{ \frac{1}{2} } = \frac{0.693}{k}$

Explanation:

The derivation is given in the picture.

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