ElectrochemistryElectron Transfer and Oxidation Number Change6Choose the best answerWhich change involves transfer of two electrons per metal atom?AMnO₄²⁻ → MnO₂BMnO₄⁻ → Mn²⁺CCrO₄²⁻ → Cr³⁺DCr₂O₇²⁻ → 2Cr³⁺ Like 0 Discuss 0Share
ElectrochemistryCalculation of Oxidation Number7Choose the best answerThe average oxidation state of carbon in glucose, C₆H₁₂O₆, is:A+4B−4C+6D0 Like 0 Discuss 0Share
ElectrochemistryFeasibility of Redox Reactions8Choose the best answerGiven standard reduction potentials, which reaction is feasible?A2Au + 6H⁺ → 2Au³⁺ + 3H₂B2Cl⁻ + I₂ → Cl₂ + 2I⁻CMg + 2H⁺ → Mg²⁺ + H₂DCu + Zn²⁺ → Cu²⁺ + Zn Like 1 Discuss 0Share
ElectrochemistryCalculation of Oxidation Number9Choose the best answerThe average oxidation state of sulfur in S₂O₃²⁻ is:A+4B+6C−2D+2 Like 1 Discuss 0Share
ElectrochemistryStandard Hydrogen Electrode10Choose the best answerThe standard reduction potential of Cu²⁺/Cu is +0.34 V relative to SHE. When Cu²⁺/Cu is connected spontaneously with SHE, the reaction at SHE is:A2H⁺ + 2e⁻ → H₂BH₂ → 2H⁺ + 2e⁻C2H⁺ + 2e⁻ → 2HDH₂ → 2H + 2e⁻ Like 0 Discuss 0Share