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Really confused about this problem.Please tell me the answer as specific as possible!Thanks!

The following addition reaction will proceed when bromine forms two radicals via homolytic cleavage. The radicals then react
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Answer #1

The bromine addition to ethene is an atom-economic reaction that means it is a reaction where there are no byproducts, only one type of product is formed and thus this reaction will also yield a dibromo product since Br2 adds to the ethene double bond.

Homolytic cleavage of the bromine molecule will generate two bromine radicals and thus these radicals will activate the double bond and will add to it.

Br-Br homolytic Radical bromine 2Br cleavage HT HBr メールーム BrH Double bond is activated Radical monobromine intermediate Dibro

Thus the first step is the radical addition to the double bond and then the monobromine radical intermediate is formed and then the second bromine radical adds to the intermediate to give a dibromo product as shown above.

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