Chemical Kinetics and Nuclear ChemistryHard

Question

For the first-order reaction (C = C0e-k1t) and Tav = K1-1. After two average lives concentration of the reactant is reduced to :

Options

A.25%
B.75%
C.%
D.%

Solution

Given  C = C0e-k1t
tav =
Given  t = 2 tav =
C = C0
× 100 =

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