ElectrochemistryCalculation of Oxidation Number66Choose the best answerThe oxidation states of nitrogen in NH₄NO₃ are:A−3 and +5B+5 and +3C−3 and −3D0 and +5 Like 4 Discuss 0Share2
ElectrochemistryCalculation of Oxidation Number67Choose the best answerThe oxidation number of sulfur in SO₄²⁻ is:A−8B−6C+8D+6 Like 0 Discuss 0Share
ElectrochemistryOxidation Number68Choose the best answerOxidation number of an element may be:APositiveBZero or fractionalCNegativeDAll of these Like 0 Discuss 0Share
ElectrochemistryOxidizing and Reducing Agents69Choose the best answerIn which reaction does H₂ act as an oxidizing agent?AH₂ + Cl₂ → 2HClBC₂H₄ + H₂ → C₂H₆C2Na + H₂ → 2NaHDN₂ + 3H₂ → 2NH₃ Like 0 Discuss 0Share
ElectrochemistryElectrolysis of Aqueous Solutions70Choose the best answerDuring electrolysis of aqueous NaCl, the main product formed at the cathode is:AH₂BCl₂CO₂DNa Like 0 Discuss 0Share