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Question
Divide the following reactions into oxidation and reduction half-reaction:
Cl2 + 2Br- → Br2 + 2Cl-
Solution
Cl2 + 2Br- → Br2 + 2Cl-
Cl2→ 2Cl- + 2 e- ---- Oxidation
2Br‒ + 2 e → Br2---- Reduction
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