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IAT IISER2017ChemistryElectrochemistry

Electric current was passed through an aqueous solution of CuSO ₄ using two Pt electrodes. After some time, the blue color of the solution disappeared along with evolution of O ₂ gas. Which of the following statements is correct regarding the resultant solution?

Options

  1. A[ Cu ²⁺ ] [ SO ₄²⁻ ]
  2. BpH 7
  3. CpH 7
  4. D[ Cu ²⁺ ]= [ SO ₄ ²⁻ ]

Correct answer

B. pH 7

Step-by-step solution

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