The Half-Reaction That Should Occur at the Anode During Electrolysis $\rarr$

question 139

Multiple Choice

The half-reaction that should occur at the anode during electrolysis of an aqueous potassium bromide solution is

• A)Br₂ + 2e^- \(\rarr\) 2Br^-.
• B)Na \(\rarr\) Na⁺ + e^-.
• C)Na⁺ + e^- \(\rarr\) Na.
• D)2Br^- \(\rarr\) Br₂ + 2e^-.
• E)2H₂O \(\rarr\) O₂ + 4H⁺ + 4e^-.

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