GKFix MCQ Question

What happens when Potassium Dichromate reacts with an iodide ion in acidic medium?

• A. Cr₂O₇²⁻ is oxidized to CrO₄²⁻.
• B. Cr₂O₇²⁻ is reduced to Cr³⁺, and I⁻ is oxidized to I₂.
• C. I⁻ reduces Cr₂O₇²⁻ to metallic Cr.
• D. No reaction occurs.