Chemistry - Chemical Kinetics Question with Solution | TestHub

According to unit of rate constant, it is a zero order reaction. Then, half life of reaction will be:

$t_{\frac{1}{2}}=\frac{C_0}{2k}=\frac{5\mu g}{2\times 0.05\mu g/\mathrm{y}\mathrm{e}\mathrm{a}\mathrm{r}}=\mathrm{50 }\mathrm{y}\mathrm{e}\mathrm{a}\mathrm{r}$