ElectrochemistryOxidation and Reduction11Choose the best answerDuring oxidation, the oxidation number of an element:AIncreasesBDecreasesCAlways becomes zeroDRemains unchanged Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Dry Cell#Electrochemistry12Choose the best answerThe outer cell of a dry cell is typically composed of: (MDCAT Reconduct 2023)AIronBLeadCCopperDZinc Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Downs Cell#Electrochemistry13Choose the best answerQ.117 Down cell is for the:AMetallurgy of NaBMetallurgy of MgCMetallurgy of AlDMetallurgy of Fe Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Electrochemistry#Electrode Potential14Choose the best answerThe order of ease of reduction of H⁺, Cu²⁺ and Ag⁺:AH⁺ > Cu²⁺ > Ag⁺BH⁺ > Ag⁺ > Cu²⁺CAg⁺ > Cu²⁺ > H⁺DH⁺ > Cu²⁺ = Ag⁺ Like 0 Discuss 0Share
ElectrochemistryOxidation and Reduction15Choose the best answerIn 10Cl⁻ + 16H⁺ + 2MnO₄⁻ → 5Cl₂ + 2Mn²⁺ + 8H₂O, which statement is correct?AMn is oxidized from +7 to +2BCl is reduced from 0 to −1CCl⁻ is reduced from −1 to 0DMn is reduced from +7 to +2 Like 0 Discuss 0Share