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The half life of a first order reaction is 69.35 sec. The value of the rate constant of the reaction is

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$1.0 s^{- 1}$

$0.1 s^{- 1}$

$0.01 s^{- 1}$

$0.001 s^{- 1}$

answer is C.

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Detailed Solution

$k = \frac{0.693}{t_{1 / 2}} = \frac{0.693}{69.35} = 9.99 \times 10^{- 3}$

$= 0.01 s^{- 1}$

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