Aldehydes and KetonesPreparation of Ketones by Oxidation of Alcohols26Choose the best answerOxidation of propan-2-ol gives:APropanalBPropanoneCPropanoic acidDEthanal Like 0 Discuss 0Share
Aldehydes and KetonesReactivity Toward Nucleophilic Addition27Choose 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 Reaction28Choose 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 Aldehydes29Choose 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
Aldehydes and KetonesPreparation of Carbonyl Compounds by Ozonolysis30Choose the best answerOzonolysis of which alkene followed by Zn/H₂O produces only propanone?APropeneB2-MethylpropeneCBut-2-eneD2,3-Dimethylbut-2-ene Like 0 Discuss 0Share