MDCAT Chemistry Paper 2025#Alkyl Halides#SN2 Reaction11Choose the best answerThe order of reactivity of following R–X for SN² reaction is: (IBA MDCAT 2025)ARF > RCl > RBr > RIBRBr > RF > RCl > RICRCl > RF > RBr > RIDRI > RBr > RCl > RF Like 1 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Alkyl Halides#SN2 Reaction12Choose 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
Sindh MDCAT 2022 Chemistry#Alkyl Halides#SN1 Reaction13Choose the best answerQ.109 SN¹ mechanism is a:AFormation of carbocation is fast stepBSingle step mechanismCTwo step mechanismDAttack of nucleophile on a carbocation is slow step Like 0 Discuss 0Share
MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#Alkyl Halides#SN1 Reaction14Choose the best answerThe rate of SN₁ mechanism depends upon:AConcentration of nucleophileBConcentration of both substrate and nucleophileCPolar non-polar solventDConcentration of substrate only Like 0 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Alkyl Halides#SN1 Reaction15Choose the best answerWhich nucleophilic substitution mechanism involves a carbocation intermediate? (BUMHS MDCAT 2025)AE1 mechanismBE2 mechanismCSN₁ mechanismDSN₂ mechanism Like 0 Discuss 0Share