Question

Which one of the following would undergo faster Sn2 reaction? Explain
CH3 -CH=CH-CI or CH3CH2CH2 - CI​

Answer 1

Answer:

Here a is the correct answer

Because the first option has secondary carbon hence the option a

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Explanation:

In the SN2 reaction, a nucleophile attacks a carbon (usually an alkyl halide) at the backside.

The order of stability for Sn2 reaction/ mechanism is

tertiary > secondary >> primary alkyl halides