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Hydrogen peroxide is obtained by the e...

Hydrogen peroxide is obtained by the electrolysis of ………

A

water

B

sulphuric acid

C

hydrochloric acid

D

fused sodium peroxide

Text Solution

Verified by Experts

The correct Answer is:
B
Peroxodisulphate, obtained by electrolytic oxidation of acidifed sulphate solutions at high current density, on hydrolysis yields hydrogen peroxide.
`2HSO_(4)^(-)overset("Electrolysis")rarrHO_(3)SOOSO_(3)H(aq)overset("Hydrolysis")rarr2HSO_(4)^(-)(aq)+2H^(+)(aq)+H_(2)O_(2)(aq)`
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