Aldehydes and KetonesFactors Affecting Carbonyl Electrophilicity71Choose 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 Addition72Choose the best answerWhich compound is most reactive toward nucleophilic addition?ACH₃CHOBC₆H₅COCH₃CC₆H₅COC₆H₅DCH₃COCH₃ Like 0 Discuss 0Share
Aldehydes and KetonesAldol Condensation73Choose the best answerWhich compound undergoes aldol condensation most readily in dilute NaOH?AHCHOBCH₃CHOCC₆H₅CHOD(CH₃)₃CCHO Like 0 Discuss 0Share
Aldehydes and KetonesDehydrogenation of Alcohols74Choose the best answerTertiary alcohols do not undergo normal dehydrogenation to carbonyl compounds over heated copper because:AThey are readily oxidized.BThey lack an α-hydrogen on the carbon bearing –OH.CThey lack every β-hydrogen.DThey do not contain an –OH group. Like 0 Discuss 0Share
Aldehydes and KetonesTollens' Test75Choose the best answerWhich reagent can clearly distinguish acetaldehyde from acetophenone?ATollens' reagentBPhenylhydrazineCHydroxylamineD2,4-DNPH reagent Like 0 Discuss 0Share