Question

L asked this questionbenzyl chloride is more reactive than ethyl chloride towards nucleophilic substitution reaction. i want answer of this question not comparison between chlorobenzene

Answer 1

Answer:

Explanation:

Dude, I'll compare both chlorobenzene and benzyl chloride

In chlorobenzene:

1. The Chlorine atom has 3 lone pairs and the approaching nucleophile, rich in electrons, get repelled and no reaction takes place

2. If the chlorine atom leaves away, it forms a phenyl carbocation which is highly unstable, and is NOT possible to form

3. Due to resonance, there will be a partial double bond character for chlorine atom, making the bond difficult to break

so, ethyl chloride reacts faster in SN2 mechanism than chlorobenzene

In benzyl chloride:

Benzyl carbocation is stabilised by resonance hence, benzyl chloride easily gives nucleophilic substitution reaction than ethyl chloride...

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