Alcohols and PhenolsOxidation of Alcohols1111Choose the best answerConversion of ethanol to ethanal is classified as:AReductionBOxidationCAdditionDHydrolysis Like 0 Discuss 0Share
StoichiometryAvogadro Constant1112Choose the best answerNA, the Avogadro constant, is equal to the number of:AAtoms in 1 g HeBElectrons needed to deposit 24.3 g Mg from Mg²⁺CMolecules in 35.5 g Cl₂DAtoms in 24.3 g Mg Like 0 Discuss 0Share
GasesAssumptions of Ideal Gas Behaviour1113Choose the best answerThe assumption that the volume of gas molecules is negligible is most valid at:AHigh pressureBLow pressureCLow temperatureDHigh pressure and low temperature Like 0 Discuss 0Share
Chemical EquilibriumLe Chatelier’s Principle1114Choose the best answerLe Chatelier’s principle is applicable to:ABoth physical and chemical equilibriaBChemical equilibria onlyCPhysical equilibria onlyDNeither physical nor chemical equilibria Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Chemical Kinetics#Rate Constant1115Choose the best answerFor a first order reaction A → B, the rate constant is 0.0458 s⁻¹. Calculate rate of the reaction if the concentration of reactant is 0.35 mol dm⁻³. (KMU MDCAT 2024)A0.012 mol dm⁻³ s⁻¹B0.014 mol dm⁻³ s⁻¹C0.016 mol dm⁻³ s⁻¹D0.018 mol dm⁻³ s⁻¹ Like 1 Discuss 0Share