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Why does a hydroquinone has a non zero dipole moment?

  1. Dec 1, 2014 #1
    Why does hydroquinone possess non zero dipole moment? The OH groups present at para positions on the benzene ring should cancel the effect of each other....if there is a plane change then exactly in which cases molecules do change planes?
  2. jcsd
  3. Dec 1, 2014 #2


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    How far are the two dipoles from one another? Do the dipoles act through the same center?
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