Answer :
For a radical addition reaction involving HBr and propene , includes initiation , propagation and termination. the reaction is given as :
CH₃CH=CH₂ + HBr + peroxide ----> CH₃CH₂CH₂Br
1) The steps involves in the initiation steps are :
RO - RO ----> 2RO°
RO° + H- Br ----> ROH + Br°
2) this steps involves the propagation steps are :
CH₃ - CH = CH₂ + Br° ---> CH₃ - CH -CH₂ - Br
CH₃ - °CH - CH₂ - Br + H - Br ----> CH₃ - CH₂ - CH₂ - Br + Br°
3) the termination step include :
Br° + Br° ----> Br - Br
2 CH₃ - °CH - CH₂ - Br ---> CH₃ - CH - CH₂ - Br
|
CH₃ - CH - CH₂ - Br
CH₃ - °CH - CH₂ - Br + Br° ---> CH₃ - CH - CH₂ - Br
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Br
Thus, the above steps are involved in the radical addition reaction.
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