Addition of HBr to propene in the presence of | vedclass

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(B) The addition of $HBr$ to propene in the presence of a peroxide occurs contrary to Markovnikov's rule,which is known as the peroxide effect or Khar

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free radical

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(B) The addition of $HBr$ to propene in the presence of a peroxide occurs contrary to Markovnikov's rule,which is known as the peroxide effect or Kharasch effect.This reaction proceeds via a free radical chain mechanism.The mechanism is initiated by the homolysis of benzoyl peroxide as shown below:$(i) \ C_6H_5-CO-O-O-CO-C_6H_5$ $\xrightarrow{	ext{Homolysis}} 2C_6H_5-CO-O^{\bullet}$ $ightarrow 2C_6H_5^{\bullet} + 2CO_2$

Addition of $HBr$ to propene in the presence of a peroxide takes place contrary to Markovnikov rule. This can be explained by the mechanism involving

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