Question:
In the presence of peroxide, $HCl$ and $HI$ do not give anti-Markownikoff' s addition to alkenes because :
In the presence of peroxide, $HCl$ and $HI$ do not give anti-Markownikoff' s addition to alkenes because :
Updated On: Oct 10, 2024
- One of the steps is endothermic in HCl and HI
- Both HCl and HI are strong acids
- HCl is oxidizing and the HI is reducing
- All the steps are exothermic in HCl and HI
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The Correct Option is A
Solution and Explanation
Anti-Markownikoff addition is possible only in case of $HBr$ and not in $HCl$ and $HI$. In $HBr$ both the chain initiation and propagation steps are exothermic, while in $HCl$, first step is exothermic, and second step is endothermic and in $HI$, no step is exothermic. Hence $HCl$ and $HI$ do not undergo anti-Markownikoff?s addition.
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