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Homework Help: Electrophilic Substitution

  1. Aug 2, 2007 #1
    The benzene are sulphonated using acid sufuric.

    Please show me how the substitution happened as i really don't see how SO3H can attached to the benzene group and how the SO3H are separated from H2SO4. I really need to understand this substitution..

  2. jcsd
  3. Aug 2, 2007 #2


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    1. Henceforth, please use the homework subforums for questions like these.

    2. The actual electrophile here is SO3. Think about that, and see if you can figure it out.
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