Chemistry of HydrocarbonsFree-Radical Halogenation of Alkanes21Choose the best answerWhich reaction is a termination step in free-radical chlorination?ACH₄ + Cl• → CH₃• + HClBCH₃• + Cl₂ → CH₃Cl + Cl•CCl• + Cl• → Cl₂DCl₂ → 2Cl• Like 1 Discuss 0Share
Chemistry of HydrocarbonsElectrophilic Aromatic Substitution22Choose the best answerNitration of benzene is classified as:AElectrophilic substitutionBElectrophilic additionCNucleophilic additionDNucleophilic substitution Like 1 Discuss 0Share
Chemistry of HydrocarbonsSulphonation of Benzene23Choose the best answerThe electrophilic species used in sulphonation of benzene is:ASO₂BSO₃CSO₄²⁻DHSO₃⁻ Like 1 Discuss 0Share
Chemistry of HydrocarbonsKekulé Structure of Benzene24Choose the best answerThe cyclic structural formula of benzene with alternating double bonds was proposed by:AFaradayBDavyCKekuléDWöhler Like 1 Discuss 0Share
Chemistry of HydrocarbonsMarkovnikov Addition25Choose the best answerAccording to Markovnikov's rule, when HX adds to an unsymmetrical alkene, H generally attaches to the carbon that:AHas fewer hydrogen atomsBHas more hydrogen atomsCIs bonded to the halogenDHas no carbon substituent in every case Like 1 Discuss 0Share