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The reactivity of alkyl bromides (A) C...

The reactivity of alkyl bromides
(A) `CH_3CH_2Br` (B) `CH_(3)-underset(CH_(3))underset(|)(CH)-Br` (C ) `CH_(3)-overset(CH_(3))overset(|)underset(CH_(3))underset(|)(CH)-Br` (D ) CH_3Br
towards iodide ion in dry acetone decrease in the order .

A

IV `gt I gt IIgt `III

B

`I gt IV gt II gt III`

C

`III gt II gt I gt I`

D

`III gt II gt IV gt I`

Text Solution

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The correct Answer is:
A
In dry acetone reaction follows ` SN^2` mechanism Hence ,
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