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Homework Help: Sigma & Pi bonds

  1. Nov 30, 2008 #1
    are all answer are correct ?
    help please
    http://img73.imageshack.us/img73/2421/10267725rs8.png [Broken]
    Last edited by a moderator: May 3, 2017
  2. jcsd
  3. Nov 30, 2008 #2


    User Avatar

    Staff: Mentor

    The ones I have checked look OK.
  4. Dec 1, 2008 #3
    Did you checked all cyclic compounds ?
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