Chemistry - Redox Reactions Question with Solution | TestHub

$2{\mathrm{Fe}}^{+2}+2{\mathrm{H}}^{+}+{\mathrm{H}}_2{\mathrm{O}}_2\to 2{\mathrm{Fe}}^{+3}+2{\mathrm{H}}_2\mathrm{O}(x=2)$

$\begin{array}{rl}2Mn{O}_4^{-}+6H^{+}+5H_2{O}_2& \to 2M{n}^{+2}+8H_{2}O+5O_2(y=5)\\ 2Mn{O}_4^{-}+3H_2{O}_2& \to 2Mn{O}_2+3O_2+2H_{2}O+2O{H}^{-}(z=3)\end{array}$