Sindh MDCAT 2020 Chemistry#Alkyl Halides#Classification of Alkyl Halides36Choose the best answerSecondary alkyl halide is: (Sindh MDCAT 2020)ACH₃–CH₂–CH₂–ClB(CH₃)₃C–ClCCH₃–CH(Cl)–CH₃DCH₃Cl Like 0 Discuss 0Share
Alkyl HalidesNucleophilicity and Leaving Group Ability37Choose the best answerIn a polar protic medium, which halide ion is both a strong nucleophile and an excellent leaving group?AF⁻BBr⁻CCl⁻DI⁻ Like 0 Discuss 0Share
Alkyl HalidesCarbon-Halogen Bond Strength38Choose the best answerThe correct decreasing order of C–X bond enthalpy is:ACH₃F > CH₃Cl > CH₃Br > CH₃IBCH₃Cl > CH₃F > CH₃Br > CH₃ICCH₃F > CH₃Cl > CH₃I > CH₃BrDCH₃I > CH₃Br > CH₃Cl > CH₃F Like 0 Discuss 0Share
Alkyl HalidesStereochemistry of SN2 Reaction39Choose the best answerWhich statement is correct for an SN₂ reaction?ACarbocation rearrangement is common.BIt proceeds with inversion of configuration.CIt follows first-order kinetics.DWeak nucleophiles are always preferred. Like 0 Discuss 0Share
Alkyl HalidesBeta-Elimination40Choose the best answerβ-Elimination of 2-bromo-2-methylpropane produces:ABut-1-eneBBut-2-eneC2-MethylpropeneD2-Methylpropan-2-ol Like 0 Discuss 0Share