SINDH MDCAT 2019 CHEMISTRY#Alkynes#Chemistry of Hydrocarbons21Choose the best answerWrite the chemical name of the given structure (H₃C–C≡C–CH(C₂H₅)–C≡CH): (Sindh MDCAT 2019)A4-ethyl-2,5-hexadiyneB3-ethyl-1,4-hexadieneC3-Ethylhex-1,4-diyneD3-ethyl-2,5-hexadiyne Like 0 Discuss 2Share
Sindh MDCAT 2021 Chemistry#Alkynes#Chemistry of Hydrocarbons22Choose the best answerCalcium Carbide on hydrolysis forms:AmethaneBethaneCbenzeneDacetylene Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Alkynes#Chemistry of Hydrocarbons23Choose 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
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Alkynes#Chemistry of Hydrocarbons24Choose the best answerWhich reagent can distinguish 1-pentyne from 2-pentyne?AAgNO₃ + NH₄OHB1% alkaline dilute KMnO₄CBr₂/CCl₄DK₂Cr₂O₇ + H₂SO₄ Like 0 Discuss 0Share
Nomenclature of Organic CompoundsNomenclature of Organic Compounds MCQs#Alkynes#Chemistry of Hydrocarbons25Choose 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