ElectrochemistryDisproportionation Reaction56Choose the best answerThe reaction 3I₂ + 6NaOH → NaIO₃ + 5NaI + 3H₂O is classified as:AFree-radical reactionBPrecipitation reactionCSubstitution reactionDRedox reaction Like 1 Discuss 0Share
SINDH MDCAT 2018 Chemistry#Downs Cell#Electrochemistry57Choose the best answerThe melting point of NaCl is very high 801°C, it is reduced to 600°C by addition of _________ in Down's process. (Sindh MDCAT 2018)ACalcium chlorideBMagnesium chlorideCAluminum chlorideDPotassium chloride Like 0 Discuss 0Share
ElectrochemistryElectrolysis of Molten Salts58Choose the best answerElectrolysis of molten NaCl produces:ANa at the cathode and Cl₂ at the anodeBH₂ at the cathode and Cl₂ at the anodeCNa and NaOHDH₂, Cl₂ and NaOH Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Cell Potential#Electrochemistry59Choose the best answerFor the cell A | A⁺(x M) || B⁺(y M) | B, the measured emf is +0.20 V. What is the overall cell reaction?AA⁺ + B → A + B⁺BA⁺ + e⁻ → A; B⁺ + e⁻ → BCA + B⁺ → A⁺ + BDThe cell reaction cannot be predicted Like 0 Discuss 0Share
ElectrochemistryElectrochemical Series and Metal Reactivity60Choose the best answerCoinage metals such as Cu, Ag and Au are relatively unreactive because they generally have:AStrongly negative reduction potentialsBStrongly positive oxidation potentialsCPositive reduction potentialsDZero reduction potentials Like 0 Discuss 0Share