MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#Aldehydes and Ketones#Carbonyl Compounds51Choose the best answerReduction of aldehydes & ketones by Zn-Hg amalgam and concentrated HCl results in conversion to an alkane. This reaction is known as:ADown ReductionBCope ReductionCWolff-Kishner ReductionDClemmensen Reduction Like 0 Discuss 0Share
Aldehydes and KetonesAldol Condensation52Choose the best answerAldol condensation occurs in aldehydes or ketones containing:AOnly a carbonyl groupBAt least one α-hydrogen atomCA phenyl groupDTwo carbonyl groups Like 0 Discuss 0Share
Aldehydes and KetonesAldol and Iodoform Reactions53Choose the best answerWhich compound undergoes both aldol condensation and the iodoform reaction?AMethanalBEthanalCBenzaldehydeDBenzophenone Like 0 Discuss 0Share
Aldehydes and KetonesCyanohydrin Formation54Choose the best answerWhich compound forms a cyanohydrin containing a chiral centre on reaction with HCN?ACH₃CHOBCH₃CH₂COCH₂CH₃CCH₃COOCH₃DHCHO Like 0 Discuss 0Share
Aldehydes and KetonesIodoform Test55Choose the best answerCH₃CHO and C₆H₅CH₂CHO can be distinguished using:ABenedict's testBIodoform testCTollens' reagentDFehling's solution Like 0 Discuss 0Share