Sindh MDCAT 2020 Chemistry#Aldehydes and Ketones#Carbonyl Compounds81Choose the best answerSecondary alcohol is the product of reduction of which carbonyl compound? (Sindh MDCAT 2020)ACH₃CHOBCH₃COCH₃CHCHODCH₃CH₂CHO Like 0 Discuss 0Share
Aldehydes and KetonesTollens' Test82Choose the best answerTollens' reagent is:AAmmoniacal AgNO₃ solutionBAmmoniacal CuSO₄ solutionCAcidified K₂Cr₂O₇ solutionDZn(Hg)/HCl Like 0 Discuss 0Share
Aldehydes and KetonesBoiling Points of Aldehydes and Ketones83Choose the best answerKetones generally have slightly higher boiling points than corresponding aldehydes mainly because ketones often have:AIntermolecular O–H hydrogen bondingBA larger molecular dipole momentCLower molecular massesDMore α-hydrogen atoms Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Aldehydes and Ketones#Carbonyl Compounds84Choose the best answerQ.90 Aldehyde reacts with:AKetones are more easily oxidizedBIt is always difficult to oxidize aldehydeCMild oxidizing agent & strong oxidizing agent bothDOnly strong oxidizing agent Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Aldehydes and Ketones#Physical State of Formaldehyde85Choose the best answerAt ordinary conditions, formaldehyde is typically found in which state? (MDCAT Reconduct 2023)AGasBLiquidCPlasmaDSolid Like 2 Discuss 0Share