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Arrange the following hydrogen halides i...

Arrange the following hydrogen halides in order of their decreasing reactivity with propene.

A

`HCl gt HBr gt HI`

B

`HBr gt HI gt NCl`

C

`HI gt NBr gt HCl`

D

`HCl gt HI gt HBr`

Text Solution

Verified by Experts

The correct Answer is:
C
Bond energy of HI is 296.8KJ//mol, HBl is 36.7 KJ//mol and HCl is 430.5KJ//mol. Hence, `HI gt HBr gt HCl` is the order of reactivity with propene.
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