MDCAT Chemistry Past Paper 2023#Aldehydes and Ketones#Carbonyl Compounds16Choose the best answerWhich of the following will give an iodoform reaction on treatment with Na₂CO₃ & I₂? (MDCAT 2023)AMethanolBAcetic acidCAcetic anhydrideDAcetone Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Aldehydes and Ketones#Tollens' Test17Choose the best answerTollens’ reagent is prepared by dissolving which precipitate in aqueous ammonia? (MDCAT Reconduct 2023)AAgClBAg₂CO₃CAgOHDAg₂O Like 0 Discuss 0Share
Aldehydes and KetonesPreparation of Aldehydes by Oxidation of Alcohols18Choose the best answerControlled oxidation of a primary alcohol with PCC produces:ACarboxylic acidBAldehydeCKetoneDEster Like 0 Discuss 0Share
Aldehydes and KetonesWolff–Kishner Reduction19Choose the best answerWolff–Kishner reduction is carried out under:AStrongly acidic conditionsBNeutral conditionsCStrongly basic conditionsDOxidizing conditions Like 0 Discuss 0Share
Aldehydes and KetonesFactors Affecting Carbonyl Electrophilicity20Choose the best answerWhich substituent increases the positive character of a carbonyl carbon through an electron-withdrawing inductive effect?A–CH₃B–OCH₃C–NH₂D–Cl Like 0 Discuss 0Share