The half -life period for a first order reaction is 69.3 S . Its rate constant is
The half -life period for a first order reaction is 69.3 S . Its rate constant is
A. `10^(-2) S^(-1)`
B. ` 10^(-4) S^(-1)`
C. `10S^(-1)`
D. `10^(2)S^(-1)`
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Correct Answer - A
Rate constant `=(0.693)/(t_(1//2)) =(0.693)/(69.3)=10^(-2) S^(-1)`
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