Balance the following equation by oxidation number method.
${M n O_{4}}^{2 -} + H^{+} \to M n O_{2} + {M n O_{4}}^{-} + H_{2} O$

Open in App

Solution

$V I M n O_{4}^{2 -} \to I V M n O_{2}$
$[V I M n O_{4}^{2 -} \to V I I M n O_{4}^{-}] \times 2$
$3 M n O_{4}^{2} + 4 H^{+} \to 2 M n O_{4}^{-} + M n O_{2} + 2 H_{2} O$ .

Suggest Corrections

Similar questions

M n O_{2} + O H^{-} + O_{2} \to {M n O_{4}}^{2 -} + H_{2} O

B r^{-} + M n O_{4}^{-} \to B r O_{3}^{-} + M n O_{2}

{C r_{2} O_{7}}^{2 -} + H N O_{2} + H^{+} \to C r^{3 +} + {N O_{3}}^{-} + H_{2} O

{M n O_{4}}^{-} + {C_{2} O_{4}}^{2 -} + H^{+} \to M n^{2 +} + C O_{2} + H_{2} O

M n O_{4}^{-} (a q) + B r^{-} (a q) \to M n O_{2} (s) + B r O_{3}^{-} (a q)

Join BYJU'S Learning Program