Question
Chemistry Question on Haloalkanes and Haloarenes
SN2 reaction readily occurs in
A
CH3CH2−O−CH3
B
C
CH2=CH−CH2−O−CH3
D
Ph−CH2−O−CH2−CH3
Answer
CH3CH2−O−CH3
Explanation
Solution
SN2 reactions occur more readily at carbons that are less substituted. It is easier for the nucleophile to attack if there is little substitution around the C-leaving group bond. Therefore, the order of reactivity for alkyl halides is methyl>primary>secondary>>>tertiary.