Sankalp NEET Full Test-2 Question-87 Solution

Que.87 Which among the following halide/s will not show $S_{N} 1$ reaction:

(A) $H_{2} C=CH-CH_{2} Cl$

(B) $CH_{3}-CH=CH-Cl$

(D) CC(C)Cl

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

Ans. (4)

Explanation

Since $CH_{3}-CH=\stackrel{+}{C} H$ is very unstable, $CH_{3}-CH= CH-Cl$ cannot give $S_{N^{1}}$ reaction.