Question

Out of c6h5cl and c6h5ch2cl which will undergo sn1 reaction faster with oh

Answer 1

Answer:

The right one will go for SN1 because in 1st one Cl is in conjugation.

Explanation:

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Answer 2

C₆H₅CH₂Cl undergoes SN1 reaction faster with OH because the benzyl carbocation intermediate (C₆H₅CH₂Cl²⁺) is more stable than the phenyl carbocation intermediate (C₆H₅⁺).

• A two-step mechanism governs the SN1 reaction, a kind of nucleophilic substitution reaction. A leaving group leaves the substrate in the first step, creating a carbocation intermediate. The substitution product is created in the second step when a nucleophile attacks the carbocation.

• As carbocation formation is the rate-determining step, the rate of an SN1 reaction depends on the stability of the intermediate. The reaction moves more quickly because more stable carbocations can be formed more easily.

• Polar solvents and weaker nucleophiles tend to favour SN1 reactions because they facilitate the formation of the intermediate carbocation.

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