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Positive Rays and Neutrons

When 0.1 mole...

Question

When 0.1 mole of $M n O_{4}^{2 -}$ is oxidized the quantity of electricity required to completely oxidise $M n O_{4}^{2 -}$ to $M n O_{4}^{-}$ is

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Solution

The correct option is A
$+ 7 M n O_{4}^{2 -} 1 F - \to + 6 M n O_{4}^{2 -}$
1 mole
$∴$ For 0.1 mole 0.1F is required

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