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The order of reactivity of various alkyl...

The order of reactivity of various alkyl halides towards nucleophilic substitution follows the order

A

R-IgtR-BrgtR-ClgtR-F

B

R-FgtR-ClgtR-BrgtR-I

C

R-ClgtR-BrgtR-IgtR-F

D

R-BrgtR-IgtR-ClgtR-F

Text Solution

Verified by Experts

The correct Answer is:
A
The alkyl halides are very reactive due to highly polarised C-X bond with a large difference in electronegativities of carbon and halogen atoms. The order of reactiviy is
iodides gt bromides gt chlorides gt fluorides.
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