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What is discharged at the cathode during the electrolysis of copper (ll) tetraoxosulphate (VI) solution?

Chemistry
JAMB 1989

What is discharged at the cathode during the electrolysis of copper (ll) tetraoxosulphate (VI) solution?

  • A. Cu 2+ only
  • B. H + only
  • C. Cu 2+ and H
  • D. Cu 2+ and SO 2-
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Correct Answer: Option A
Explanation

During the electrolysis of copper(II) tetraoxosulfate (VI) solution (also known as copper sulfate solution), copper ions (Cu²⁺) are discharged at the cathode. This process results in the deposition of metallic copper on the cathode.

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