For the Reaction of Sodium Bromide with Chlorine Gas to Form

question 103

Multiple Choice

For the reaction of sodium bromide with chlorine gas to form sodium chloride and bromine,the appropriate half-reactions are (ox = oxidation and re = reduction) :

• A)ox: Cl₂ + 2e^- \(\to\) 2Cl^-;re: 2Br^- \(\to\) Br₂ + 2e^-
• B)ox: 2Br^- \(\to\) Br₂ + 2e^-;re: Cl₂ + 2e^-\(\to\) 2Cl^-
• C)ox: Cl + e^- \(\to\) Cl^-; re: Br \(\to\) Br^- + e^-
• D)ox: Br + 2e^- \(\to\) Br^2-;re: 2Cl^- \(\to\) Cl₂ + 2e^-
• E)ox: 2Na⁺ + 2e^- \(\to\) 2Na;re: 2Cl^- \(\to\) Cl₂ + 2e^-

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