ElectrochemistryOxidation and Reduction36Choose 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
SINDH MDCAT 2019 CHEMISTRY#Electrochemistry#Oxidation Number37Choose the best answerThe oxidation number of Br in Br₂ is: (Sindh MDCAT 2019)A-1B-2C0D+1 Like 0 Discuss 0Share
SINDH MDCAT 2018 Chemistry#Electrochemistry#Electrode Potential38Choose the best answerIn electrochemical series, elements are arranged in order of their standard electrode potentials, the correct decreasing reactivity order for metals is: (Sindh MDCAT 2018)AGold, silver, magnesium, aluminumBMercury, calcium, sodium, magnesiumCSodium, aluminum, lead, copperDPotassium, silver, magnesium, aluminum Like 0 Discuss 0Share
ElectrochemistryRules and Exceptions of Oxidation Number39Choose the best answerWhat is the oxidation state of oxygen in KO₂?A−1/2B−2C−1D−3 Like 0 Discuss 0Share
SZABMU MDCAT 2025 Chemistry#Electrochemistry#Oxidation Number40Choose the best answerOxidation state of Tungsten in Na₂WO₄·H₂O is: (SZABMU MDCAT 2025)A+5B+6C+8DZero Like 0 Discuss 0Share