Aldehydes and KetonesDehydrogenation of Alcohols101Choose 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' Test102Choose the best answerWhich reagent can clearly distinguish acetaldehyde from acetophenone?ATollens' reagentBPhenylhydrazineCHydroxylamineD2,4-DNPH reagent Like 0 Discuss 0Share
Aldehydes and KetonesCommon and IUPAC Names of Ketones103Choose the best answerThe systematic IUPAC name of benzophenone is:ADiphenyl ketoneBDiphenylmethanoneC1,1-DiphenylethanoneDBenzoylbenzene Like 0 Discuss 0Share
Aldehydes and KetonesStructure of Aldehydes and Ketones104Choose the best answerThe key structural difference between an aldehyde and a ketone is that an aldehyde contains:AAn α-hydrogen in every caseBA hydrogen atom directly bonded to the carbonyl carbonCBoth –OH and C=O groupsDNo carbonyl group Like 0 Discuss 0Share
Aldehydes and KetonesFehling's Test105Choose the best answerFehling's solution is primarily used to distinguish between:AAlcohols and ethersBAldehydes and most ketonesCAlkenes and alkynesDCarboxylic acids and esters Like 0 Discuss 0Share