For the redox reaction $ ext{MnO}_4^- + ext{C}_2 ext{O}_4^{2-} + ext{H}^+ ightarrow ext{Mn}^{2+} + \

Question

For the redox reaction $	ext{MnO}_4^- + 	ext{C}_2	ext{O}_4^{2-} + 	ext{H}^+ ightarrow 	ext{Mn}^{2+} + 	ext{CO}_2 + 	ext{H}_2	ext{O}$. The correct coefficients of the reactants for the balanced equation are $	ext{MnO}_4^-$, $	ext{C}_2	ext{O}_4^{2-}$, $	ext{H}^+$ respectively:

Accepted Answer

The n-factor of $	ext{MnO}_4^-$ is 5 and the n-factor of $	ext{C}_2	ext{O}_4^{2-}$ is 2. The ratio of n-factors is 5:2, so the molar ratio in the balanced reaction is 2:5. The balanced equation is $2	ext{MnO}_4^- + 5	ext{C}_2	ext{O}_4^{2-} + 16	ext{H}^+ ightarrow 2	ext{Mn}^{2+} + 10	ext{CO}_2 + 8	ext{H}_2	ext{O}$.

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