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In the presence of peroxide addition of HBr to prepare propene takes place according to anti Markovnikov’s rule

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asked Oct 13, 2017 in Chemistry by jisu zahaan (28,760 points) ● 28 ● 438 ● 1099

In the presence of peroxide addition of HBr to prepare propene takes place according to anti Markovnikov’s rule but peroxide effect if not seen in the case of HCl and HI. Explain. 

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answered Oct 13, 2017 by sforrest072 (157,439 points) ● 63 ● 450 ● 1293
selected Nov 5, 2017 by sarthaks
 
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Homolysis of HCl does not takes place and in the case of HI homolysis takes place but the iodide free radical combine with the similar free radical to form I2 molecule .Thus peroxide effect is observed only in case of HBr. 

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