A Which reaction in each of the following pairs would you expect to be faster?

(a) The S_N2 displacement by I ^– on CH₃CI or on CH₃OTos

(b) The SN2 displacement by CH₃CO₂ on bromomethane or on bromo cyclohexane

(c) The S_N2 displacement on 2-bromopropane by CH₃CH₂O^– or by CN^–

(d) The S_N2 displacement by HC ≡ C^– on bromomethane in benzene or in acetonitrile 

Transcribed Image Text:

(d) CH3CH2CH2NH2 CH3 (c) CH3CH2CH2CH2CN CH3 CH3-0-CCH3 CH3 CH3 CCHCH3