Question

Which of the following is most reactive towards nucleophilic substitution reaction?

• A.
• B. \( CH_3-CH_2-CH_2-Cl \)
• C. \( CH_2=CH-Cl \)
• D. \( CH_2=CH-CH_2-Cl \)

Hint:

Carbocations that are resonance-stabilized undergo nucleophilic substitution reactions more readily.

Answer 1

The Correct Option is D

Allyl chloride (\( CH_2=CH-CH_2-Cl \)) exhibits high reactivity in nucleophilic substitution due to resonance stabilization of the resulting allylic carbocation. This stabilization is absent in other compounds, leading to lower reactivity.