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Potassium Permanganate

Which of the ...

Question

Which of the following is the correct representation of the reaction of acidified permanganate solution with sulphurous acid?

2 M n O_{4}^{-} + 5 S O_{3}^{2 -} + 6 H^{+} \to 5 S O_{4}^{2 -} + 2 M n^{2 +} + 3 H_{2} O

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

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

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

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Solution

The correct option is A $2 M n O_{4}^{-} + 5 S O_{3}^{2 -} + 6 H^{+} \to 5 S O_{4}^{2 -} + 2 M n^{2 +} + 3 H_{2} O$
Reaction of acidified permanganate sodium with sulphurious acid.
${2 M n O}_{4}^{-} + 5 {S O}_{3}^{2 -} + {6 H}^{+} \to {5 S O}_{4}^{2 -} + 2 {M n}^{2 +} + 3 H_{2} O$

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Similar questions

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

Identify the reducing agent in the following redox reaction:

$5 S O_{3}^{2 -} + 2 M n O_{4}^{-} + 6 H^{+} \to 5 S O_{4}^{2 -} + 2 M n^{2 +} + 3 H_{2} O$

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^{+}

(a) 2 C u^{+} \to C u^{2 +} + C u (b) 3 M n O_{4}^{2 -} + 4 H^{+} \to 2 M n O_{4}^{-} + M n O_{2} + 2 H_{2} O (c) 2 K M n O_{4} \to K_{2} M n O_{4} + M n O_{2} + O_{2} (d) 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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