1.

Additon of HCl to t-butene in presence of R_(2)O_(2) fomrs

Answer»

2-chlorobutane
1-chlorobutane
2,2-dichlorobutane
2,3-dichlorobutane

Solution :The addition of HCl in PRESENCE of peroxide also occurs accroding to M. rule because the free radicalobtainl from peroxide cannot BREAK HCl molecules due to its high BOND energy (103 K. cal mole)
`CH_(3)CH CH=CH_(2)+HCl overset(R_(2)O_(2)) toCH_(3) CH_(2)CH ClCH_(3)`


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