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JEE Main Chemistry Class 11 Hydrocarbons Part 1 Questions
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Question : 73
Total: 100
The addition of HI in the presence of peroxide catalyst does not follow anti-Markovnikov's rule because :
[Online April 9, 2013]
HI is a strong reducing agent.
H-I bond is too strong to be broken homolytically.
I atom combines with
H
atom to give back
H
I
.
Iodine atom is not reactive enough to add across a double bond.
Validate
Solution:
HI does not exhibit peroxide effect. HI bond although dissociates easily into iodine radicals, they being bigger in size are not much reactive but recombine together to form iodine molecule.
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