The half-life of a first order reaction is 24 hrs. If we start with 10 M initial

Question

The half-life of a first order reaction is 24 hrs. If we start with 10 M initial concentration of the reactant then conc. after 96 hrs will be

Options:

A . 6.25 M

B . 1.25 M

C . 0.125 M

D . 0.625 M

Answer: Option D
:
D

10 24 h r s - -- \to 5 24 h r s - -- \to 2.5 24 h r s - -- \to 1.25 24 h r s - -- \to 0.625

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