Aldehydes and KetonesFehling's Test46Choose the best answerA positive Fehling's test is indicated by formation of:ASilver mirrorBBrick-red Cu₂O precipitateCYellow CHI₃ precipitateDWhite AgCl precipitate Like 0 Discuss 0Share
Aldehydes and KetonesTollens' Test47Choose the best answerDuring a positive Tollens' test, Ag⁺ is reduced to:AAg₂OBAgClCMetallic silverDAgOH Like 0 Discuss 0Share
Aldehydes and KetonesAlpha, Beta and Gamma Carbons48Choose the best answerIn CH₃CH₂CH₂CHO, the γ-carbon is:AThe carbonyl carbonBThe CH₂ carbon adjacent to –CHOCThe terminal CH₃ carbonDNo γ-carbon is present Like 0 Discuss 0Share
Aldehydes and KetonesCannizzaro Reaction49Choose the best answerWhich aldehyde does NOT undergo the Cannizzaro reaction?AHCHOBC₆H₅CHOC(CH₃)₃CCHODCH₃CHO Like 0 Discuss 0Share
Aldehydes and KetonesAcetal Formation50Choose the best answerAldehydes react with excess alcohol in the presence of dry HCl to form:AEthersBAcetalsCEstersDKetals Like 0 Discuss 0Share