SZABMU MDCAT 2025 Chemistry#Electrochemistry#Standard Hydrogen Electrode1Choose the best answerIn a standard hydrogen electrode, the platinum electrode: (SZABMU MDCAT 2025)AReacts with hydrogenBProvide a surface for oxidation and reductionCActs as a salt bridgeDProvide voltage to the circuit Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Electrochemistry#Standard Hydrogen Electrode2Choose the best answerThe oxidation potential standard hydrogen electrode is arbitrarily taken as: (Sindh MDCAT 2019)A-0.76 voltsB0.00 voltsC+1.5 voltsD1.0 volts Like 0 Discuss 0Share
ElectrochemistryStandard Hydrogen Electrode3Choose 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
ElectrochemistryStandard Hydrogen Electrode4Choose the best answerThe standard potential assigned to SHE, E° = 0.00 V, is:AAn assigned reference valueBThe absolute potential of hydrogenCObtained by directly measuring one isolated electrodeDEqual to 1.00 V experimentally Like 0 Discuss 0Share
ElectrochemistryStandard Hydrogen Electrode5Choose the best answerStandard conditions for the hydrogen electrode include:AH₂ at approximately 1 bar pressureBUnit activity of H⁺CTemperature commonly specified as 298 KDAll of these Like 0 Discuss 0Share