MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#Alkyl Halides#SN1 Reaction41Choose 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
Alkyl HalidesFactors Favoring SN1 Reaction42Choose the best answerWhich combination favors an SN₁ mechanism?ALow nucleophile concentrationBWeak nucleophileCPolar protic solventDAll of these Like 0 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Alkyl Halides#E1 Reaction43Choose the best answerIn an elimination reaction where only the substrate is involved in the rate-determining step, what type of elimination reaction is it? (MDCAT Reconduct 2023)AUnimolecularBBimolecularCTermolecularDTrimolecular Like 0 Discuss 0Share
Alkyl HalidesE2 Elimination44Choose the best answerWhich reagent condition favors an E2 reaction?AH₂OBCH₃OHCKOH in ethanolDAgNO₃(aq) Like 0 Discuss 0Share
Alkyl HalidesStereochemistry of SN1 Reaction45Choose the best answerRacemization can occur in an SN₁ reaction because:AThe nucleophile attacks only from one side.BA planar carbocation intermediate is formed.CThe reaction is concerted.DThe leaving group can never separate from the substrate. Like 0 Discuss 0Share