Chemistry · Ionic Equilibrium

JEE Main 2025 — 22 January, Morning Shift — Question 38

Which of the following electrolyte can be sued to obtain H2 S2O8\mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{8} by the process of electrolysis?

  1. Option A:

    Dilute solution of sodium sulphate

  2. Option B:

    Dilute solution of sulphuric acid

  3. Option C:

    Concentrated solution of sulphuric acid

    Correct
  4. Option D:

    Acidified dilute solution of sodium sulphate.

Answer: C

Step-by-step solution

Theory based.

At anode :

2HSO4−→H2 S2O8+2e−2 \mathrm{HSO}_{4}{ }^{-} \rightarrow \mathrm{H}_{2} \mathrm{~S}_{2} \mathrm{O}_{8}+2 \mathrm{e}^{-}

Answer key and solution verified before publishing.

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Exam
JEE Main 2025
Subject
Chemistry
Chapter
Ionic Equilibrium
Topic
Solutions containing Salt- Salt Hydrolysis
Which of the following electrolyte can be sued to obtain H 2 S 2 O 8… | JEE Main 2025 PYQ with Solution · DhiX AI