The rate constant of a reaction is $0.693 \times 10^{-2}$ per minute. What is half-life period?

The rate constant of a reaction is $0.693 \times 10^{-2}$ per minute. What is half-life period?
  1. 6000 second
  2. 6930 second
  3. 1000 second
  4. 4000 second

Solution

$t_{\frac{1}{2}}=\frac{0.693}{0.00693}=100 \mathrm{~min}$ $100 * 60=6000$ seconds

Asked in: MHT CET 2022 (11 Aug Shift 1)

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