Which of the following organohalogen compounds is generally the least reactive towards both and nucl — Haloalkanes and Haloarenes Chemistry Question
Question
Which of the following organohalogen compounds is generally the least reactive towards both $S_N1$ and $S_N2$ nucleophilic substitution pathways?
Answer: A
💡 Solution & Explanation
Similar to aryl halides, vinyl halides feature a halogen bonded to an $sp^2$ carbon where the lone pair is in resonance with the adjacent $\pi$ bond. This significantly strengthens the $C-Cl$ bond, rendering it practically inert to substitution.
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