Answer to Question #256812 in Organic Chemistry for Mishu

Question

1) why 1-chlorobutane, 1-bromobutane, bromocyclohexane and bromobenzene form precipitate in 15%of NaI in acetone

Answer 1

Bromobenzene does not react via SN1 or SN2 pathway because the structure of the ring does not allow for a backside attack in the case of SN2 or the formation of a carbocation in SN1.