Aldehydes and KetonesIodoform Test21Choose the best answerWhich compound does NOT give the iodoform test?APentan-3-oneBPentan-2-oneCEthanolDEthanal Like 0 Discuss 0Share
Aldehydes and KetonesPreparation of Ketones by Oxidation of Alcohols22Choose the best answerOxidation of propan-2-ol gives:APropanalBPropanoneCPropanoic acidDEthanal Like 0 Discuss 0Share
Aldehydes and KetonesReactivity Toward Nucleophilic Addition23Choose the best answerThe correct decreasing order of reactivity toward nucleophilic addition is:AMethanal > Ethanal > Propanal > PropanoneBEthanal > Methanal > Propanal > PropanoneCMethanal > Propanone > Ethanal > PropanalDPropanone > Propanal > Ethanal > Methanal Like 0 Discuss 0Share
Aldehydes and KetonesCannizzaro Reaction24Choose the best answerBenzaldehyde reacts with concentrated NaOH to produce:AAn aldol productBBenzyl alcohol and sodium benzoateCBenzoic acid onlyDBenzyl alcohol only Like 0 Discuss 0Share
Aldehydes and KetonesReactivity of Aromatic Aldehydes25Choose the best answerBenzaldehyde is less reactive than ethanal toward nucleophilic addition mainly because of:AA strong +I effect of the phenyl groupBResonance interaction with the benzene ringCAbsence of a π bondDComplete loss of C=O polarity Like 0 Discuss 0Share