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Free radical substitution

Suggest the formulae of two bromind-containing organic compounds formed when dibromomethane, CH2Br2, reacts with bromine.

Answer: CHBr3 or CBr4 or C2H2B4

How am I supposed to know this?

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You are supposed to know that hydrogen is substituted with bromine by using free radicals.

Look up the 3 stages of this type of mechanism: initiation, propagation and termination and you can work out anything that they give you :yep:

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