Chemistry of HydrocarbonsTest for Terminal Alkynes116Choose the best answerWhich compound forms a precipitate with ammoniacal AgNO₃?APropeneBPropaneCPropyneDBut-2-yne Like 1 Discuss 0Share
Chemistry of HydrocarbonsAromaticity and Reactivity of Benzene117Choose the best answerBenzene resists addition reactions mainly because:AIt has only σ bonds.BAddition would destroy its aromatic stabilization.CIt contains no π electrons.DIt is highly polar. Like 2 Discuss 0Share
Chemistry of HydrocarbonsHalohydrin Formation118Choose the best answerWhich intermediate is formed during bromohydrin formation from an alkene?AFree carbocationBBromonium ionCCarbanionDFree radical Like 1 Discuss 0Share
Chemistry of HydrocarbonsFree-Radical Halogenation of Alkanes119Choose the best answerWhich reaction is a propagation step in the chlorination of methane?ACl₂ → 2Cl•BCH₄ + Cl• → CH₃• + HClCCl• + Cl• → Cl₂DCH₃• + CH₃• → C₂H₆ Like 1 Discuss 0Share
Chemistry of HydrocarbonsPreparation of Benzene from Phenol120Choose the best answerPhenol on heating with zinc dust gives:ACyclohexaneBBenzeneCTolueneDChlorobenzene Like 0 Discuss 0Share