The half life period of a first order reaction is 1 min 40 seconds. Calculate its rate constant.

6.93 \times 10^{- 3} m i n

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6.93 \times 10^{- 3} s e c^{- 1}

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6.93 \times 10^{- 3} s e c

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6.93 \times 10^{3} m i n

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Solution

The correct option is B $6.93 \times 10^{- 3} s e c^{- 1}$
$K = \frac{0.693}{t y_{2}} = \frac{0.693}{100} = 6.93 \times 10^{- 3} s e c^{- 1}$

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