UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Alkynes#Chemistry of Hydrocarbons61Choose the best answerWhich method is used to prepare alkynes? (UHS MDCAT 2023)ADehalogenation of vicinal dihalides in methanolBDehydration of alcohols over Al₂O₃CDouble dehydrohalogenation of vicinal dihalides using a strong baseDHydrolysis of dicarboxylic acid salts Like 0 Discuss 0Share
Chemistry of HydrocarbonsReactivity in Electrophilic Aromatic Substitution62Choose the best answerWhich compound is nitrated with the greatest difficulty?ABenzeneBNitrobenzeneCTolueneDPhenol Like 0 Discuss 0Share
Chemistry of HydrocarbonsFree-Radical Halogenation of Alkanes63Choose the best answerWhich compound is NOT formed during free-radical chlorination of methane?AHClBCHCl₃CC₂H₆DCH₃CHO Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Chemistry of Hydrocarbons#Petroleum Fractions64Choose the best answerPetrol (Gasoline) is a mixture of: (MDCAT Reconduct 2023)AMethane and ethaneBButane and propaneCOctane and nonaneDHexane and heptane Like 0 Discuss 0Share
Nomenclature of Organic CompoundsNomenclature of Organic Compounds MCQs#Alkynes#Chemistry of Hydrocarbons65Choose the best answerWhich IUPAC name corresponds to divinyl acetylene?AHex-1,5-dien-3-yneBHex-1,5-diyne-3-eneCHex-2,5-dien-3-yneDHex-3-en-1,5-diyne Like 7 Discuss 0Share