Question 52. Which among the following halide/s will not show S_{N} 1 reaction:
Choose the most appropriate answer from the options given below:
(1) (A), (B) and (D) only
(2) (A) and (B) only
(3) (B) and (C) only
(4) (B) only
Answer (4)
Explanation:
Since CH_{3}-CH=\stackrel{+}{C} H is very unstable,
CH_{3}-CH= CH-Cl cannot give S_{N^{1}} reaction.