MDCAT Chemistry Past PapersIBA MDCAT Chemistry Paper Reconduct 2024#Cathode Reaction#Electrochemistry16Choose the best answerWhich reaction occurs at the cathode? (IBA MDCAT Reconduct 2024)AOxidationBReductionCRedoxDNone Like 0 Discuss 0Share
ElectrochemistryStandard Hydrogen Electrode17Choose 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
ElectrochemistryFuel Cells18Choose the best answerA commonly used electrolyte in an alkaline hydrogen–oxygen fuel cell is:AKOHBNaCl(aq)CNaNO₃DMolten NaCl Like 0 Discuss 0Share
ElectrochemistryGalvanic Cell and Electrode Potentials19Choose the best answerIn a spontaneous galvanic cell, the cathode has a reduction potential that is:ALower than that of the anodeBEqual to that of the anodeCHigher than that of the anodeDAlways zero Like 0 Discuss 0Share
ElectrochemistryCalculation of Oxidation Number20Choose the best answerThe oxidation number of chlorine in HClO₃ is:A+7B+5C−1D+3 Like 0 Discuss 0Share