SINDH MDCAT 2019 CHEMISTRY#Electrochemistry#Oxidation Number21Choose the best answerThe oxidation state of Cl in HClO₄ is: (Sindh MDCAT 2019)A-1B+5C+7D-7 Like 0 Discuss 0Share
ElectrochemistryElectron Transfer and Oxidation Number Change22Choose the best answerWhich change involves transfer of five electrons per metal atom?AMnO₄²⁻ → MnO₂BCrO₄²⁻ → Cr³⁺CMnO₄⁻ → Mn²⁺DCr₂O₇²⁻ → 2Cr²⁺ Like 0 Discuss 0Share
ElectrochemistryElectrochemical Series23Choose the best answerThe electrochemical series is based on electrode potentials measured relative to the:ApH scaleBArrhenius scaleCStandard hydrogen electrodeDpOH scale Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Electrochemistry#Oxidation Number24Choose the best answerWhich of the following best identifies the redox reaction:Atransfer of protonBtransfer of electronCabsorption of lightDexchange of ions Like 0 Discuss 0Share
SINDH MDCAT 2018 Chemistry#Electrochemistry#Oxidation Number25Choose the best answerIn which of the following nitrogen compounds, N has the highest oxidation state? (Sindh MDCAT 2018)ANH₂OHBN₂H₄CHNO₃DNH₃ Like 0 Discuss 0Share