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Q.

Rate constant of a first order reaction is 0.693 hr^-1. Half-life time of reaction is

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a

60 min

b

60 hr

c

60 sec

d

1 min

answer is C.

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Detailed Solution

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$t_{\frac{1}{2}} = \frac{0.693}{k}$

$t_{\frac{1}{2}} = \frac{0.693}{0.693} = 1 hr$ =60 min

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