Get Answers to all your Questions

header-bg qa

Hydrogen peroxide is obtained by the electrolysis of ______.
(i) water
(ii) sulphuric acid
(iii) hydrochloric acid
(iv) fused sodium peroxide

Answers (1)

The answer is the option (ii) sulphuric acid

H_{2}SO_{4}\rightarrow H^{+} + HSO^{-4}

2 HSO{-4} \rightarrow on electrolysis HO_{3}SOOSO_{3}­H + 2e^{-}

 

HO_{3}SOOSO_{3}­H + 2H_2O (hydrolysis) \rightarrow 2 H_{2}SO_{4} + H_{2}O_{2}

Posted by

infoexpert24

View full answer