The addition of HCl in the presence of peroxide does not follow anti-Markovnikov rule because :
Correct answer: A. HCl bond is too strong to be broken homolytically by the peroxide
- A. HCl bond is too strong to be broken homolytically by the peroxide
- B. Cl atom is not reactive enough to add on to a double bond.
- C. Cl combines with H to give back HCl.
- D. HCl is a reducing agent.
Explanation
The anti-Markovnikov mechanism is a free-radical process initiated by the peroxide. This mechanism works for HBr but not for HCI or HI because one of the propagation steps for HCI and HI is highly endothermic. Specifically, the strong H-Cl bond is difficult to break homolytically.
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