ElectrochemistryCell Notation116Choose the best answerIn the cell notation Zn(s) | Zn²⁺(1 M) || Cu²⁺(1 M) | Cu(s), the double vertical line || represents the:ASalt bridgeBConcentrationCMetal electrodeDElectron Like 0 Discuss 0Share
ElectrochemistryGalvanic Cell117Choose the best answerWhen Zn and Cu electrodes are coupled in a galvanic cell:AReduction occurs at ZnBOxidation occurs at CuCReduction occurs at CuDBoth electrodes undergo reduction Like 0 Discuss 0Share
ElectrochemistryBalancing Redox Reactions by Ion-Electron Method118Choose the best answerTo balance the half-reaction MnO₂ + 4H⁺ → Mn²⁺ + 2H₂O, electrons must be added as:A2e⁻ on the left sideB2e⁻ on the right sideC4e⁻ on the left sideD4e⁻ on the right side Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Electrochemistry#Electrolysis119Choose the best answerThe electrolysis of a dilute acid solution gives: (Sindh MDCAT 2022)ACl₂ at cathode & H₂ at anodeBH₂ at cathode & Cl₂ at anodeCH₂ at cathode & O₂ at anodeDH₂ at anode & Na at cathode Like 0 Discuss 0Share
UHS MDCAT 2024 Chemistry#Electrochemistry#Electrolysis120Choose the best answerWhich of the following is NOT a correct feature of electrolytic cells?AReduction occurs at cathodeBOxidation occurs at anodeCAlternating current source is connected to electrodesDElectrochemical reaction takes place Like 0 Discuss 0Share