Half-life period of a first order reaction is $1386 \ s$. The specific rate constant of the reaction is
- A$0.5 \times 10^{-2} \ s^{-1}$
- B$0.5 \times 10^{-3} \ s^{-1}$
- C$5.0 \times 10^{-2} \ s^{-1}$
- D$5.0 \times 10^{-3} \ s^{-1}$
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