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For the first-order reaction `(C=C_(0)e^(-k_(1)^(t)))` and `T_(av)=k_(1)^(-1)`. After two average lives concentration of the reactant is reduced to :

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For the first-order reaction `(C=C_(0)e^(-k_(1)^(t)))` and `T_(av)=k_(1)^(-1)`. After two average lives concentration of the reactant is reduced to :
A. `25%`
B. `75%`
C. `(100)/(e)%`
D. `(100)/(e^(2))%`
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Correct Answer - D
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