Sindh MDCAT 2022 Chemistry#Alkanes#Chemistry of Hydrocarbons56Choose the best answerGrignard reagent, e.g. methyl magnesium halide, reacting with methyl halide gives:An-Propyl chlorideBButaneCIsopropyl chlorideDEthane Like 0 Discuss 0Share
Chemistry of HydrocarbonsFree-Radical Halogenation of Alkanes57Choose the best answerWhich reaction is a termination step in free-radical chlorination?ACH₄ + Cl• → CH₃• + HClBCH₃• + Cl₂ → CH₃Cl + Cl•CCl• + Cl• → Cl₂DCl₂ → 2Cl• Like 0 Discuss 0Share
Chemistry of HydrocarbonsKekulé Structure of Benzene58Choose the best answerThe cyclic structural formula of benzene with alternating double bonds was proposed by:AFaradayBDavyCKekuléDWöhler Like 0 Discuss 0Share
SZABMU MDCAT 2025 Chemistry#Alkynes#Chemistry of Hydrocarbons59Choose the best answerWhich among the following will react with ammoniacal cuprous chloride: (SZABMU MDCAT 2025)A1-buteneB1-butyneC2-buteneD2-butyne Like 0 Discuss 0Share
Chemistry of HydrocarbonsDirective Influence of Substituents60Choose the best answerWhich of the following is NOT a meta-directing group?A–CHOB–COOHC–NO₂D–CH₃ Like 0 Discuss 0Share