ElectrochemistryOxidizing and Reducing Agents46Choose the best answerFor the reaction 2Na + Cl₂ → 2NaCl, which statement is correct?ANa is reduced and Cl₂ is oxidizedBCl₂ is the oxidizing agent and Na is the reducing agentCCl⁻ is the reducing agentDNo redox change occurs Like 0 Discuss 0Share
ElectrochemistryOxidation and Reduction47Choose the best answerDuring oxidation, the oxidation number of an element:AIncreasesBDecreasesCAlways becomes zeroDRemains unchanged Like 0 Discuss 0Share
ElectrochemistryOxidation and Reduction48Choose the best answerDuring oxidation, the oxidation number of an element:ADecreasesBIncreasesCRemains constantDMust become zero Like 1 Discuss 0Share
ElectrochemistryDisproportionation Reaction49Choose the best answerThe reaction 3I₂ + 6NaOH → NaIO₃ + 5NaI + 3H₂O is classified as:AFree-radical reactionBPrecipitation reactionCSubstitution reactionDRedox reaction Like 1 Discuss 0Share
ElectrochemistryOxidation and Reduction50Choose the best answerIn 10Cl⁻ + 16H⁺ + 2MnO₄⁻ → 5Cl₂ + 2Mn²⁺ + 8H₂O, which statement is correct?AMn is oxidized from +7 to +2BCl is reduced from 0 to −1CCl⁻ is reduced from −1 to 0DMn is reduced from +7 to +2 Like 0 Discuss 0Share