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JEE Main202522 Jan 2025Morning ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Which of the following electrolyte can be used to obtain H ₂ ~S ₂ O ₈ by the process of electrolysis?

Options

  1. ADilute solution of sodium sulphate.
  2. BAcidified dilute solution of sodium sulphate.
  3. CDilute solution of sulphuric acid
  4. DConcentrated solution of sulphuric acid

Correct answer

D. Concentrated solution of sulphuric acid

Step-by-step solution

Theory based. At anode : 2 HSO ₄⁻ H ₂ ~S ₂ O ₈+2 e ⁻

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