Aldehydes and KetonesCannizzaro Reaction26Choose the best answerWhich of the following undergo the Cannizzaro reaction? (1) Methanal (2) 2-Methylpentanal (3) Benzaldehyde (4) BenzophenoneA(1) onlyB(2) onlyC(1) and (3)D(1), (2) and (3) Like 0 Discuss 0Share
Aldehydes and KetonesIodoform Test27Choose the best answerWhich compound does NOT give the iodoform test?ACH₃COCH₂COOC₂H₅BCH₃COCH₃CCH₃CH₂COCH₃DCH₃CH₂CH(OH)CH₂CH₃ Like 0 Discuss 0Share
Aldehydes and KetonesTests for Aldehydes and Ketones28Choose the best answerWhich tests can distinguish propanal from propanone?ATollens' testBFehling's testCIodoform testDAll of these Like 0 Discuss 0Share
Aldehydes and KetonesAlpha Hydrogen in Aldehydes29Choose the best answerIn which aldehydes are α-hydrogen atoms absent? (1) Methanal (2) Ethanal (3) Benzaldehyde (4) 2,2-DimethylpropanalA1 and 3 onlyB1, 3 and 4 onlyC2 and 4 onlyD1 and 2 only Like 0 Discuss 0Share
Aldehydes and KetonesPreparation by Dehydrogenation of Alcohols30Choose the best answerDehydrogenation of propan-2-ol over heated copper produces:APropanalBPropanoneCPropeneDPropanoic acid Like 0 Discuss 0Share