$X$ and $Y$ are the number of electrons involved, respectively during the oxidation of $\mathrm{I}^{

Question

$X$ and $Y$ are the number of electrons involved, respectively during the oxidation of $\mathrm{I}^{-}$to $\mathrm{I}_2$ and $\mathrm{S}^{2-}$ to S by acidified $\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7$. The value of $\mathrm{X}+\mathrm{Y}$ is $\_\_\_\_$ .

Professor PC Thomas Classes · Answer

See detailed solution for explanation.