ElectrochemistryAnode and Cathode Reactions1Choose the best answerWhich reaction occurs at the cathode?ACu²⁺ + 2e⁻ → CuBCu → Cu²⁺ + 2e⁻CHg + ½O₂ → HgODMg + ½O₂ → MgO Like 0 Discuss 0Share