Aldehydes and KetonesWolff–Kishner Reduction96Choose 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 Electrophilicity97Choose 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
Aldehydes and KetonesReactivity Toward Nucleophilic Addition98Choose the best answerWhich compound is most reactive toward nucleophilic addition?ACH₃CHOBC₆H₅COCH₃CC₆H₅COC₆H₅DCH₃COCH₃ Like 0 Discuss 0Share
Aldehydes and KetonesAldol Condensation99Choose the best answerWhich compound undergoes aldol condensation most readily in dilute NaOH?AHCHOBCH₃CHOCC₆H₅CHOD(CH₃)₃CCHO Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Aldehydes and Ketones#Tollens' Test100Choose the best answerThe appearance of a silver mirror in Tollens' test indicates the presence of which of the following? (UHS MDCAT 2023)AA ketoneBAn aldehydeCAn acidDAn alcohol Like 0 Discuss 0Share