Aldehydes and KetonesPreparation of Carbonyl Compounds by Ozonolysis31Choose the best answerOzonolysis of 2-methylpropene followed by Zn/H₂O produces:AMethanal and propanoneBEthanal and methanalCPropanal and methanalDTwo molecules of ethanal Like 0 Discuss 0Share
Aldehydes and KetonesIodoform Test32Choose the best answerA positive iodoform test indicates the presence of:A–CHO group onlyB–COCH₃ group or a group readily oxidized to itC–COOH groupDAny carbonyl group Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Aldehydes and Ketones#Carbonyl Compounds33Choose the best answerQ.108 Acetophenone is an:AAliphatic ketonesBPhenolCCarboxylic acidDAromatic ketones Like 0 Discuss 0Share
UHS MDCAT 2024 Chemistry#Aldehydes and Ketones#Fehling's Test34Choose the best answerThe blue color of Fehling solution is changed to red when warmed with an aldehyde due to formation of which of the following?ANO₂BCu₂OCAgODSO₂ Like 1 Discuss 0Share
Aldehydes and KetonesFehling's Test35Choose the best answerFehling's solution gives a brick-red precipitate with: (a) Aromatic aldehydes (b) Aliphatic aldehydes (c) Ordinary ketones (d) Terminal α-hydroxy ketonesA(b) and (d)B(a) and (b)C(a) and (d)D(b) and (c) Like 0 Discuss 0Share