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Hydrogen Peroxide

In acidic med...

Question

In acidic medium, $H_{2} O_{2}$ acts as a reducing agent in its reaction with:

A

F e S O_{4}

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B

K M n O_{4}

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C

K_{2} M n O_{4}

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D

K_{4} [F e (C N)_{6}]

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Solution

The correct option is B $K M n O_{4}$
$H_{2} O_{2}$ acts as reducing agent and reduces $K M n O_{4}$ solution in acidic medium.
$2 K M n O_{4} + 6 H^{+} + 5 H_{2} O_{2} \to 2 K^{+} + 2 M n^{2 +} + 8 H_{2} O + 5 O_{2}$

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Hydrogen Peroxide

Standard XII Chemistry

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