ElectrochemistrySalt Bridge111Choose the best answerThe main function of a salt bridge in a voltaic cell is to:ACarry electrons between electrodesBStop movement of ionsCMix both half-cell solutions completelyDAllow ion migration to maintain electrical neutrality Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Downs Cell#Electrochemistry112Choose the best answerDown's cell is used to prepare: (Sindh MDCAT 2019)ASodium carbonateBSodium bicarbonateCSodium hydroxideDSodium metal Like 0 Discuss 0Share
ElectrochemistryStandard Hydrogen Electrode113Choose the best answerWhen SHE is connected to a Cu²⁺/Cu half-cell under standard conditions, electron flow is from:AHydrogen electrode to copper electrodeBCopper electrode to hydrogen electrodeCHydrogen electrode to the electrolyte onlyDCuSO₄ solution to the hydrogen electrode Like 0 Discuss 0Share
SZABMU MDCAT 2025 Chemistry#Electrochemistry#Oxidation Numbers114Choose the best answerWhich species contain an element with an oxidation number of +4? (SZABMU MDCAT 2025)ACr₂O₇²⁻BMnO₄⁻CH₂SO₄DNa₂CO₃ Like 0 Discuss 0Share
ElectrochemistryElectrolysis of Aqueous Solutions115Choose the best answerDuring electrolysis of aqueous NaCl, the main product formed at the cathode is:AH₂BCl₂CO₂DNa Like 0 Discuss 0Share