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Which one of the following molecules has...

Which one of the following molecules has the largest dipole moment? (Electro-negativity values of elements concerned are: B=2.0, Cl=3.0, F=4.0, H=2.1, N=3.0, O=3.5, P=2.1, S=2.5)

A

`BF_3`

B

`NH_3`

C

`PCl_3`

D

`SO_3`

Text Solution

Verified by Experts

The correct Answer is:
B
`NH_3` : It has greater resultant dipole moment than `PCl_3` as `BF_3` and `SO_3` are non-polar.
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