Solve que 12. ​Q12. For the reaction A $\to$B, the rate law expression is – $\frac{\mathrm{d}\left[\mathrm{A}\right]}{\mathrm{dt}}$= k [A]1/2. If initial concentration of A is [A]0, then              (A) The integerated rate expression is k = $\frac{2}{\mathrm{t}}$$\left({\mathrm{A}}_{{}_{0}}^{1}{2}}-{\mathrm{A}}^{1}{2}}\right)$             (B) The graph of $\sqrt{\mathrm{A}}$ Vs t will be           (C) The half life period t1/2 =            (D) The time taken for 75% completion of reaction t3/4 = $\frac{\sqrt{{\left[\mathrm{A}\right]}_{0}}}{\mathrm{K}}$

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