Aldehydes and KetonesBoiling Points of Aldehydes and Ketones6Choose 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 Compounds7Choose 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 Formaldehyde8Choose the best answerAt ordinary conditions, formaldehyde is typically found in which state? (MDCAT Reconduct 2023)AGasBLiquidCPlasmaDSolid Like 2 Discuss 0Share
Aldehydes and KetonesClemmensen and Wolff–Kishner Reduction9Choose the best answerBenzaldehyde undergoes Clemmensen or Wolff–Kishner reduction to form:ABenzyl alcoholBBenzoic acidCTolueneDBenzophenone Like 0 Discuss 0Share
Aldehydes and KetonesPreparation from Calcium Salts of Carboxylic Acids10Choose the best answerWhich combination is correctly matched?ACalcium formate → Methanal; Calcium acetate → Propanone; Calcium formate + calcium acetate → EthanalBCalcium formate → Propanone; Calcium acetate → Ethanal; Calcium formate + calcium acetate → MethanalCCalcium formate → Methanal; Calcium acetate → Ethanal; Calcium formate + calcium acetate → PropanoneDCalcium formate → Ethanal; Calcium acetate → Propanone; Calcium formate + calcium acetate → Methanal Like 0 Discuss 0Share