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The correct order of increasing reactivi...

The correct order of increasing reactivity of the following alkyl halides,
`CH_(3)CH_(2)CH(Br)CH_(3)`
`CH_(3)CH_(2)CH_(2)CH_(2)Br`
`(CH_(3))_(2) C(Cl)CH_(2)CH_(3)`
`CH_(3)CH_(2)CH_(2)Cl`
Towards `S_(N)2` displacement is

A

`IltIIltIIIltIV`

B

`IIIltIltIVltII`

C

`IIIltIltIIltIV`

D

`IIltIVltIltIII`

Text Solution

Verified by Experts

The correct Answer is:
B
The reactivity of alky halides towards `S_(N_(2))` depends on (i) Degreee of C-atoms
Reactivity order `1^(@) gt2^(@) gt3^(@)`
(ii) Electronegativity of halogen
Reactivity order `IgtBrgtCIgtF`
`therefore` option (b) is the correct answer
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