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Organic chemistry:substitution reaction

  1. Jul 29, 2012 #1
    In substitution reaction between bromine and hexane, why the bromine should be in organic solvent? Bromine is already a liquid!
  2. jcsd
  3. Jul 30, 2012 #2
    Good question. Maybe its because the homolysis can only take place in a solvent. Maybe the Br radicals are insoluble in Br2.
  4. Jul 30, 2012 #3
    I just can't understand :(
    Hexane can dissolve bromine.What would happen if we don't add Br into the organic solvent?
    There will be no reaction?Or sth bad will happen?
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