For a first-order reaction $A \rightarrow B$,if the rate constant is $k$ and the initial concentration of reactant $A$ is $0.5 \ M$,what is its half-life period?
- A$\frac{0.693}{0.5k}$
- B$\frac{\log 2}{k}$
- C$\frac{\log 2}{k \sqrt{0.5}}$
- D$\frac{\ln 2}{k}$
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Which of the following relations is correct for the given reaction orders?
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