ElectrochemistryBalancing Redox Reactions by Ion-Electron Method71Choose 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
ElectrochemistryBalancing Redox Reactions by Ion-Electron Method72Choose the best answerFor the reduction half-reaction MnO₄⁻ → Mn²⁺ in acidic medium, the number and position of electrons are:A5e⁻ on the rightB5e⁻ on the leftC3e⁻ on the rightD3e⁻ on the left Like 0 Discuss 0Share
MDCAT Chemistry Past Paper 2023#Electrochemistry#Electrode Potential73Choose the best answerIn the electrochemical series, what is the electrode potential of all metals above Hydrogen? (MDCAT 2023)AZeroBNegativeCPositiveDGreater than zero Like 0 Discuss 0Share
SINDH MDCAT 2018 Chemistry#Electrochemistry#Electrode Potential74Choose 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
MDCAT Chemistry Past Papers Reconduct 2023#Anode#Electrochemistry75Choose the best answerWhich process occurs at the anode during an electrochemical reaction? (MDCAT Reconduct 2023)AIonizationBReductionCElectropositivityDOxidation Like 0 Discuss 0Share