Which one of the following compounds undergoes hydrolysis during distillations to yield hydrogen peroxide?

H_{2} S_{2} O_{8}

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H_{2} S_{2} O_{6}

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H N O_{3}

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H_{4} P_{2} O_{7}

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Solution

The correct option is B $H_{2} S_{2} O_{8}$
One of the methods of preparation of $H_{2} O_{2}$ is from sulphuric acid.
Electrolysis of acidic sulphate solutions leads to the formation of peroxodisulfuric acid which then further hydrolyses to give $H_{2} O_{2}$ .

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