What do SN1, SN2, E1 and E2 reactions have in common? Organic Chemistry Nucleophilic Substitution Reactions (SN1 and SN2) and Elimination Reactions (E1 and E2) Comparing and Determing SN1 or SN2 and E1 or E2 reactions 1 Answer Mika Dec 19, 2014 Comparing and Determing SN1 or SN2 and E1 or E2 reactions Answer link Related questions How do we know which factor is most important to evaluate whether a reaction will proceed... How can I determine whether an E or an SN reaction will occur? If substitution of a nucleophile has happened, does that mean it is an E or an SN reaction? Which mechanism(s) give(s) alkenes as the major products, Sn1, Sn2, E1, or E2? Which of the following mechanisms feature carbocation intermediates: SN1 only, SN2 only, E1... Do all substitution reactions and elimination reactions occur with alkyl halides? When 3-iodo-3-ethylpentane is treated with sodium methoxide in methanol, what is the major... If the substrate is primary, can we rule out SN1 and E1 entirely? If the substrate is tertiary, can we rule out SN2? Why are alkenyl and alkynyl halides so bad for SN and E reactions? See all questions in Comparing and Determing SN1 or SN2 and E1 or E2 reactions Impact of this question 4289 views around the world You can reuse this answer Creative Commons License