For the Reaction of Sodium Bromide with Chlorine Gas to Form

question 48

Multiple Choice

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

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

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