ElectrochemistryOxidizing and Reducing Agents6Choose the best answerIn: H₂S + Cl₂ → 2HCl + S H₂S acts as:AReducing agentBNitrating agentCOxidizing agentDSulphonating agent Like 22 Discuss 1Share5
ElectrochemistryElectron Transfer and Oxidation Number Change7Choose the best answerWhich change involves transfer of five electrons per Mn atom?AMnO₄²⁻ → MnO₂BCrO₄²⁻ → Cr³⁺CMnO₄⁻ → Mn²⁺DCr₂O₇²⁻ → 2Cr²⁺ Like 0 Discuss 0Share
ElectrochemistryOxidation Number8Choose the best answerThe apparent charge assigned to an atom in a compound or ion is called:AValencyBCoordination numberCOxidation numberDCharge number Like 0 Discuss 0Share
ElectrochemistryCalculation of Oxidation Number9Choose the best answerIn which compound does sulfur have its highest oxidation state?AS₈BSO₂CSO₂Cl₂DNa₂S₂O₃ Like 0 Discuss 0Share
ElectrochemistryOxidation Number10Choose the best answerOxidation number of an element may be:APositiveBZero or fractionalCNegativeDAll of these Like 0 Discuss 0Share