The Half-Reaction Occurring at the Cathode During Electrolysis of an Aqueous

question 123

Multiple Choice

The half-reaction occurring at the cathode during electrolysis of an aqueous copper(II) iodide solution is

• A)I₂ + 2e^- \(\rarr\) 2I^-.
• B)Cu \(\rarr\) Cu²⁺ + 2e^-.
• C)Cu²⁺ + 2e^- \(\rarr\) Cu.
• D)2I^- \(\rarr\) I₂ + 2e^-.
• E)2e^- + 2H₂O \(\rarr\) H₂ + 2OH^-.

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