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Which of the following statements about the electrolysis of CuSO4(aq) using copper cathode and platinum...

Chemistry
WAEC 2010

Which of the following statements about the electrolysis of CuSO4(aq) using copper cathode and platinum anode is not correct?

  • A. Copper is deposited at the cathode
  • B. Oxygen is liberated at the anode
  • C. it is used for the purification of copper
  • D. The solution becomes acidic
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Correct Answer: Option C
Explanation

For purifying impure copper, the anode electrode is impure copper while the cathode electrode is pure copper, but for this question, two different electrodes were used, hence option C is the correct option to this question.

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