The intermediate during the addition of HCl to propane in presence of peroxide is
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Peroxide effect is only observed in case of HBr/H2O2.The intermediate during the addition of HCl to propene in presence of peroxide is carbocation where the positive charge is over the middle carbon of propene. Here we will get merconikov's product that is CH3CHBrCH3. This is simple addition reaction of olifin. In presence of HBr/H2O2 we will get anti merconikov's product as major product.
In this case there's no anti markovnikov addition here so intermediate is a carbocation on middle carbon atom of propene.
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Peroxide effect is only observed in case of HBr/H2O2.The intermediate during the addition of HCl to propene in presence of peroxide is carbocation where the positive charge is over the middle carbon of propene. Here we will get merconikov's product that is CH3CHBrCH3. This is simple addition reaction of olifin. In presence of HBr/H2O2 we will get anti merconikov's product as major product.
In this case there's no anti markovnikov addition here so intermediate is a carbocation on middle carbon atom of propene.
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HCl and HI do not give anti-Markovnikov addition to alkene because in chain reaction some steps are endothermic.
The chain reactions are successful when propogation steps in the reaction are exothermic. An endothermic propogation steps will reverse the reaction and will break the chain.
The reaction with HCl is unfavourable as H-Cl bond is much stronger than H-Br and reaction becomes slow.
The peroxide effecT will be only in case f hbr
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