Grade 12th passPhysical Chemistry
sir In markownikoff rulling use only HCl or use any halogen acids .why
sir In markownikoff rulling use only HCl or use any halogen acids .why
1 Answer
Rituraj Tiwari
In the presence of peroxides, the addition of HBr occurs by a free-radical mechanism and the orientation is anti-Markovnikov. This is true only for HBr.
Free radical addition of HF and HI has never been observed, even in the presence of peroxides, and of HCl only rarely.
In the rare cases where free-radical addition of HCl was noted, the orientation was still Markovnikov, because the more stable product was formed.
Free radical addition of HF, HI and HCl is energetically unfavourable.
Free radical addition of HF and HI has never been observed, even in the presence of peroxides, and of HCl only rarely.
In the rare cases where free-radical addition of HCl was noted, the orientation was still Markovnikov, because the more stable product was formed.
Free radical addition of HF, HI and HCl is energetically unfavourable.
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