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In a S(N^(2)) substitution reaction of t...

In a `S_(N^(2))` substitution reaction of the type
`R-Br+Cl^(-)overset("DMF")rarrR-Cl+Br^(-)`
Which one of the following has the highest relative rate?

A

`CH_(3) - CH_(2) - CH_(2)Br`

B

`CH_(3) - undersetunderset(CH_(3))(|)(CH) - CH_(2)Br`

C

`CH_(3) - undersetunderset(CH_(3))(|)oversetoverset(CH_(3))(|)C-CH_(2)Br`

D

`CH_(3)CH_(2)Br`

Text Solution

Verified by Experts

The correct Answer is:
D
In `S_(N)^(2)` reaction the order of reactivity
`I^(0) gt 2^(0) gt 3^(0)`
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