In acidic medium, one mole of $M n O_{4}^{-}$ accepts how many moles of electrons in a redox process?

1

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3

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5

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6

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Solution

The correct option is C $5$
${M n O}_{4}^{-} + 8 H^{+} + 5 e^{-} \to M n^{2 +} + 4 H_{2} O$ .

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