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SN^2 reactions of alkyl halides is a bim...

`SN^2` reactions of alkyl halides is a bimolecular reaction which take place through formation of a transition state. The rate of reaction depends on the concentration of alkyl halide and nucleophile.The reaction is favoured by strong nucleophlie in polar aprotic solvents.
Which of the following undero substitution by `SN^2` mechanism at a faster rate from other

A

`CH_3CH_2CH_2Br`

B

`CH_2 = CH - CH_2 - Br`

C

`CH -= C - CH_2Br`

D

all the above

Text Solution

Verified by Experts

The correct Answer is:
C
`CH -= C - CH_2 - Br to ` SP (more E.N) , `E.N prop E.W.G prop SN^2`
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