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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 acidified sulphate solutions at high current density, on hydrolysis yields hydrogen peroxide.
`2HSO_(4)^(-)(aq)overset("Electrolys")rarr HO_(3)SOOSO_3H(aq)underset(H_2O)overset("Hydrolysis")rarr2HSO_4^(-)(aq)+2H^(+)(aq)+H_2O_2(aq)`
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