Pyrolusite is MnO2 used to prepare KMnO4- Steps are MnO2 I- MnO2-4 II- MnO-4Steps I and II are-

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Potassium Permanganate

Pyrolusite is...

Question

Pyrolusite is $M n O_{2}$ used to prepare $K M n O_{4}$ . Steps are

$M n O_{2} I \to M n O_{4}^{2 -} I I \to M n O_{4}^{-}$

Steps I and II are:

Fuse with KOH/ air, electrolytic oxidation

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Fuse with KOH/ air, electrolytic reduction

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Fuse with

c o n c . K O H / a i r

, electrolytic reduction

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dissolve in

H_{2} O

, oxidation

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Solution

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M n O_{2}

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M n O_{2} I \to M n O_{4}^{2 -} + M n O_{4}^{-}

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M n O_{2} i \to M n O_{4}^{2 -} i i \to M n O_{4}^{-}

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M n O_{2} I \to M n O_{4}^{2 -} I I - \to M n O_{4}^{-}

I

I I

M n O_{2}

K M n O_{4}

M n O_{2} I \to M n O_{2}^{2 -} I I - \to M n O_{4}^{-}

I

I I

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