Question - The order of dipole moment of the above molecules is
Options:
A .  I > II = III > IV
B .  II > I > III > IV
C .  II > III > I > IV
D .  II > I = III > IV
Answer: Option D : D Para compound has zero dipole moment and ortho compound has maximum value. If we calculate the vector addition, magnitudes of dipole moment for I and III turn out to be the same.
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