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Potassium Permanganate

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Question

Show with balanced equations what happens when the following are mixed:

potassium permanganate interacts with manganese dioxide in the presence of potassium hydroxide.

2 K M n O_{4} + 4 K O H + M n O_{2} \to 3 K_{2} M n O_{4} + 2 H_{2} O

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3 K M n O_{4} + 4 K O H + M n O_{2} \to 4 K_{2} M n O_{4} + 2 H_{2} O

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3 K M n O_{4} + 3 K O H + M n O_{2} \to 3 K_{2} M n O_{4} + 2 H_{2} O

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None of these

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Solution

The correct option is C $2 K M n O_{4} + 4 K O H + M n O_{2} \to 3 K_{2} M n O_{4} + 2 H_{2} O$
When potassium permanganate interacts with manganese dioxide in the presence of potassium hydroxide, potassium manganate is formed.

$2 K M n O_{4} + 4 K O H + M n O_{2} \to 3 K_{2} M n O_{4} + 2 H_{2} O$

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Similar questions

2 M n O_{2} + 4 K O H + O_{2} \to 2 K_{2} M n O_{4} + 2 H_{2} O

2 K_{2} M n O_{4} + {C l}_{2} \to 2 K M n O_{4} + 2 K C l

(M n O_{2})

M n O_{2} + 4 H C l \to M n C l_{2} + C l_{2} + 2 H_{2} O

M n O_{2}

2 C u^{+}

\to

C u^{2 +}

C u^{0}

3 M n O_{4}^{2 -}

4 H^{+}

\to

2 M n O_{4}^{-}

M n O_{2}

2 H_{2} O

2 K M n O_{4}

△ - \to

K_{2} M n O_{4}

M n O_{2}

O_{2}

2 M n O_{4}^{-}

3 M n^{2 +}

2 H_{2} O

⟶

5 M n O_{2}

4 H^{+}

C u^{+} \to C u^{2 +} + C u

3 M n O_{4}^{- 2} + 4 H^{+} \to 2 M n O_{4}^{-} + M n O_{2} + 2 H_{2} O

2 K M n O_{4} \to K_{2} M n O_{4} + M n O_{2} + O_{2}

2 M n O_{4}^{-} + 3 M n^{+ 2} + 2 H_{2} O \to 5 M n O_{2} + 4 H^{+}

C u^{+} \to C u^{2 +} + C u

3 M n O_{4}^{-} + 4 H^{+} \to 2 M n O_{4}^{-} + M n O_{2} + 2 H_{2} O

2 K M n O_{4} \to K_{2} M n O_{4} + M n O_{2} + O_{2}

2 M n O_{4}^{-} + 3 M n^{2 +} + 2 H_{2} O \to 5 M n O_{2} + 4 H^{+}

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