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Introduction to Oxidation and Reduction

How many mole...

Question

How many mole of electrons are involved in the reduction of one mole of $M n O_{4}^{-}$ ion in alkaline medium to $M n O_{4}^{- 2}$ ?

A

2

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B

1

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C

3

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D

4

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Solution

The correct option is B
1

$+ 7 M n O_{4}^{-} + e^{-} \to + 6 M n O_{4}^{2 -}$

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Similar questions

Q. How many moles of electrons are involved in the reduction of one mole of

M n O_{4}^{-}

ion in alkaline medium to

M n O_{3}^{-}

?

Q. In acidic medium, one mole of

M n O_{4}^{-}

accepts how many moles of electrons in a redox process?

M n O_{4}^{-}

in basic medium oxidises

N O_{2}^{-}

N O_{3}^{-}

. How many moles of

N O_{2}^{-}

will be oxidised by

1

M n O_{4}^{-} ?

Q. In a redox reaction, how many moles of electrons are accepted by 1 mole of

M n O_{4}

in acidic medium?

M n O_{4}^{-}

in basic medium oxidises

N O_{2}^{-}

N O_{3}^{-}

. How many moles of

N O_{2}^{-}

will be oxidised by

1

M n O_{4}^{-} ?

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