Haloalkanes And Haloarenes Question 5
Question 5 - 2024 (27 Jan Shift 2)
Which among the following halide/s will not show $\mathrm{S}_{\mathrm{N}} 1$ reaction:
(A) $\mathrm{H}{2} \mathrm{C}=\mathrm{CH}-\mathrm{CH}{2} \mathrm{Cl}$
(B) $\mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}-\mathrm{Cl}$
(C)
(D)$\mathrm{CH}{3}$
$\mathrm{H}{3} \mathrm{C}$
$\mathrm{CH}-\mathrm{Cl}$
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
Show Answer
Answer (4)
Solution
Formula: SN1 reaction
Since $\mathrm{CH}{3}-\mathrm{CH}=\stackrel{+}{\mathrm{C}} \mathrm{H}$ is very unstable, $\mathrm{CH}{3}-\mathrm{CH}=\mathrm{CH}-\mathrm{Cl}$ cannot give $\mathrm{S}_{\mathrm{N}^{1}}$ reaction.
