UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Chemistry of Hydrocarbons#Hydration of Alkynes721Choose the best answerPropanone can be prepared from propyne by: (UHS MDCAT 2023)APassing a mixture of propyne and steam over a catalyst, magnesium at 420°CBPassing a mixture of propyne and ethanol over a catalyst, zinc chromateCBoiling propyne with water in the presence of HgSO₄ and H₂SO₄DTreating propyne with iodine and NaOH Like 1 Discuss 0Share
Classification of Hydrocarbons and IsomerismClassification of hydrocarbons, structural & geometrical isomerism#Isomerism#Tautomerism722Choose the best answerWhich compound shows keto–enol tautomerism?ACH₃COCH₂CH₃BHCHOCC₆H₆DCH₃OCH₃ Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryNomenclature of Polyhydric Phenols723Choose the best answerThe IUPAC name of hydroquinone is:ABenzene-1,2-diolBBenzene-1,3-diolCBenzene-1,4-diolDBenzene-1,2,3-triol Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryEnantiomers724Choose the best answerOptical mirror-image isomers are called:AConstitutional isomersBEnantiomersCMetamersDTautomers Like 0 Discuss 0Share
Chemical EquilibriumLaw of Mass Action725Choose the best answerThe law of mass action was proposed by:AGuldberg and WaageBGrahamCFaraday and ArrheniusDHess and Dalton Like 0 Discuss 0Share