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Propene is the treadted wit BrC CI(3) ...

Propene is the treadted wit `BrC CI_(3)` is presence of peroxides.

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In presence of peroxides `Br C CI_(3)` undergoes homolytic fission to form `C CI_(3)` radical which then attacks the propene molecule at the `CH_(2)` group to form a `2^(@)` alkyl free radical . This radical subsequently reacts with `BrCCI_(3)` to complete the addition.

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