Rate law for the reaction $\mathrm{aA}+\mathrm{bB} \rightarrow \mathrm{cC}+\mathrm{dD}$ is $r=k[A][B]$, the rate of reaction doubles if

Which of the following reactions exhibit minimum standard reduction potential?

Which from following dopants is used in germanium to produce p-type semiconductor?

Calculate the osmotic pressure of 0.5 M aqueous solution of nonvolatile solute at 300 K .

$$ \left[\mathrm{R}=0.0821 \mathrm{~atm} \mathrm{dm} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right] $$