Alkyl HalidesStructure and Reactivity of Grignard Reagents51Choose the best answerThe carbon atom bonded to magnesium in a Grignard reagent behaves as:AElectrophilic carbonBNucleophilic carbonCNeutral carbonDPositively charged carbon Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Alkyl Halides#SN2 Reaction52Choose the best answerSN₂ reactions can be best carried out with: (Sindh MDCAT 2019)APrimary alkyl halidesBSecondary alkyl halidesCTertiary alkyl halidesDBoth primary and tertiary alkyl halides Like 0 Discuss 0Share
Alkyl HalidesSN1 and SN2 Reactions53Choose the best answerWhich feature is common to both SN₁ and SN₂ reactions?ANucleophilic substitutionBCarbocation formationCCarbocation rearrangementDFirst-order kinetics Like 0 Discuss 0Share
Alkyl HalidesSolvent Effect on SN1 Reaction54Choose the best answerA polar protic solvent favors SN₁ mainly because it:AConverts every nucleophile into a stronger base.BStabilizes the carbocation and leaving-group ions.CPrevents substrate ionization.DIncreases steric hindrance. Like 0 Discuss 0Share
UHS MDCAT 2024 Chemistry#Alkyl Halide Reactivity#Alkyl Halides55Choose the best answerIdentify correct ascending order of reactivity of alkyl halides:ACl, Br, I, FBF, Cl, Br, ICBr, I, F, ClDI, F, Cl, Br Like 1 Discuss 0Share