JEE Mains · Chemistry · STD 12 - 2. Electrochemistry
Which of the following electrolyte can be used to obtain \(\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_8\) by the process of electrolysis?
- A Dilute solution of sodium sulphate.
- B Acidified dilute solution of sodium sulphate.
- C Dilute solution of sulphuric acid
- D Concentrated solution of sulphuric acid
Answer & Solution
Correct Answer
(D) Concentrated solution of sulphuric acid
Step-by-step Solution
Detailed explanation
Theory based. At anode : \(2 \mathrm{HSO}_4^{-} \rightarrow \mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_8+2 \mathrm{e}^{-}\)
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