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Which of the following reactions takes place in the cathode compartment during the electrolysis of...

Chemistry
JAMB 1988

Which of the following reactions takes place in the cathode compartment during the electrolysis of copper (II) chloride solution?

  • A. Cu2+ + 2e- → Cu(s)
  • B. 2Cl- -2e → Cl2
  • C. Cu(s) -2e → Cu2+(aq)
  • D. Cu2+(aq) + 2Cl-(aq) → CuCl2(aq)
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Correct Answer: Option A
Explanation

During the electrolysis of CuCl\(_2\), the reduction of Cu\(^{2+}\) ions to copper metal (Cu) occurs at the cathode. 

This reaction is represented by: Cu\(^{2+}\)(aq) + 2e\(^-\) → Cu(s). 

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