In the laboratory, manganese (II) salt is oxidised to permanganate ion in aqueous solution by

Hydrogen peroxide

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Conc. nitric acid

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Peroxydisulphate

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Dichromate

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Solution

The correct option is C Peroxydisulphate
In laboratory, manganese (II) ion salt is oxidised to permangnate ion in aqueous solution by peroxydisulphate.

$2 M n^{2 +} + 5 S_{2} O_{8}^{2 -} + 8 H_{2} O \to 2 M n O_{4}^{-} + 10 S O_{4}^{2 -} + 16 H^{+}$

Thus, option (c) is correct.

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Similar questions

State whether the statement is True or False:

With manganese(II) ion solutions, alkaline aqueous sodium carbonate solution yields pink colour permanganate ions.

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

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

d^{4}

C r^{2 +}

d^{1}

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