question_answer

In which of the following rate of \[{{S}_{N}}^{1}\] is very fast?

A)

B)  

C)  \[C{{H}_{3}}C{{H}_{2}}-O-C{{H}_{2}}-Cl\]

D)  \[C{{H}_{3}}-CH=CH-Cl\]

Correct Answer: C

Solution :

Due to +M effect of O-R group intermediate  is stabilised.