1.

Hydrogen peroxide is obtained by the electrolysis of ……

Answer»

water
sulphuric acid
hydrochloric acid
fused sodium peroxide

Solution :When electrolysis of acidic sulphate salt and form PEROXODISULPHATE and then its hydrolysis OBTAIN `H_2O_2`.
`2HSO_(4(aq))^(-) overset"electrolysis"to HO_3SOOSO_3H_((aq)) overset"hydrolysis"to 2HSO_(4(aq))^(-) + 2H_((aq))^(+) + H_2O_(2(aq))`


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