How many faraday are needed to reduce a mole of $MnO_4^ - $ of $M{n^{2 + }}$ ?

NEET UG CHEMISTRY MCQ: ELECTRO CHEMISTRY

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How many faraday are needed to reduce a mole of

MnO_4^ -

M{n^{2 + }}

View answer and explanation

Correct option: B

Option B (5) is correct because the reduction of

MnO_4^-

Mn^{2+}

involves a change in oxidation state of 5, requiring 5 moles of electrons, hence 5 Faradays.

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