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The order of reactivities of the followi...

The order of reactivities of the following alky halides for an `S_(N)2` reaction is .

A

`RF gt RCl gt RBr gt RI`

B

`RF gt RBr gt RCI gt RI`

C

`RCl gt RBr gt RF gt RI`

D

`RI gt RBr gt RCI gt RF`

Text Solution

Verified by Experts

The correct Answer is:
`d`
The order of reactivity of allkyl halides in `SN^(1)` or `SN^(2)` reaction is:
`(R-1) gt (R-Br) gt (R-Cl) gt (R-F)`
`I^(theta)` is a better nucelphilic and a better leaving group. Leaving group order. `I^(theta) gt Br^(theta) gt Cl^(theta) gt F^(theta)`
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