question_answer

In the following pairs of halogen compounds, which compound undergoes faster \[{{S}_{N}}1\] reaction?

(i) and

(ii)  and

A) (i)  (ii)

B) (i)  (ii)

C) (i)  (ii)

D) (i) (ii)

Correct Answer: B

Solution :

(i)  will react faster because tert. carbocation  will be more stable. (ii)  will react faster due to greater stability of sec. carbocation