Question

CH2=CH-Ch2Cl and CH3-CH2-Cl which is more reactive towards SN1 reaction'?

Answer 1

allylic halides show high reactivity towards the SN1reaction and CH2=CH-CH2Cl is allylic halide and hence it is more reactive towards SN1reaction .
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Answer 2

Hey dear,

● Explanation -
- SN1 reaction depends on formation of carbocation intermediate.
- CH3=CH-CH-Cl on removal of chloride ion forms allyl carbocation.
- Allyl carbocation shows resonace effect and thus is highly stable carbocation.
- CH3-CH2-Cl on removal of chloride ion forms ethyl carbocation.
- Ethyl carbocation stabilizes to some extent by inductive effect.
- Therefore, CH3=CH-CH-Cl undergo SN1 reaction more easily.


Hope this helps you...