Among the following compounds, the compound which shows the highest dipole-moment is

Among the following compounds, the compound which shows the highest dipole-moment is

  1. II
  2. IV
  3. III
  4. I

Solution

The compound (I) will show the highest dipole moment. It will have maximum charge separation. The dipole moment is the product of the magnitude of charge and distance between two charges.


The quasi aromatic ring is aromatic due to charge delocalization.

Asked in: JEE Main 2017 (09 Apr Online)

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