What Is the Oxidation Half Reaction in the Following Chemical

question 66

Multiple Choice

What is the oxidation half reaction in the following chemical reaction? Cr₂O₇^2-(aq) + 6 Cl^-(aq) + 14 H⁺(aq) → 2 Cr³⁺(aq) + 3 Cl₂(aq) + 7 H₂O(l)

• A)Cr₂O₇^2-(aq)+ 14 H⁺(aq)+ 6e^- → 2 Cr³⁺(aq)+ 7 H₂O(l)
• B)Cr₂O₇^2-(aq)+ 14 H⁺(aq)→ 2 Cr³⁺(aq)+ 7 H₂O(l)+ 6e^-
• C)2 Cl^-(aq)→ Cl₂(aq)+ 2e^-
• D)Cl₂(aq)+ 2e^- → 2 Cl^-(aq)

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