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Homework Help: Stability of carbocation

  1. Nov 21, 2008 #1

    Which one of these alkyl halides forms the most stable carbocation in a E1 reaction?

    Not II because it has an even number of delocalized electron pairs. Isn't I, IV and V the same?
  2. jcsd
  3. Nov 21, 2008 #2


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    Which one is the most stable; vinylic carbocation, allylic carbocation, secondary alkyl carbocation, or aromatic carbocation? I, IV and V are not the same.
  4. Nov 21, 2008 #3
    I is vinyilc, IV allylic, III aromatic, V secondary and II...?
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