1.

Dipole momentof is 1.5 D. The dipole moment of is

Answer»

1.5 D
2.25 D
1D
3 D

Solution :
The bond moments at PARA positions cancel due to opposite direction. The other two groups are meta to each othr, thus angle between the two bond moments is `120^(@)` and HENCE `mu=1.5D`,


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