ElectrochemistryCalculation of Oxidation Number41Choose the best answerThe oxidation number of chlorine in HClO₃ is:A+7B+5C−1D+3 Like 0 Discuss 0Share
ElectrochemistryAnode and Cathode Reactions42Choose the best answerWhich reaction occurs at the cathode?ACu²⁺ + 2e⁻ → CuBCu → Cu²⁺ + 2e⁻CHg + ½O₂ → HgODMg + ½O₂ → MgO Like 0 Discuss 0Share
ElectrochemistryOxidizing and Reducing Agents43Choose the best answerIn: H₂S + Cl₂ → 2HCl + S H₂S acts as:AReducing agentBNitrating agentCOxidizing agentDSulphonating agent Like 22 Discuss 1Share5
ElectrochemistryCalculation of Oxidation Number44Choose the best answerThe average oxidation state of carbon in C₂O₄²⁻ is:A+4B−4C+3D+2 Like 0 Discuss 0Share
ElectrochemistryRules and Exceptions of Oxidation Number45Choose the best answerThe oxidation state of oxygen in KO₂ is:A−1/2B−2C−1D−3 Like 0 Discuss 0Share