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

question 25

Multiple Choice

The half-reaction that occurs at the cathode during electrolysis of an aqueous sodium iodide solution is

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

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