Q.17. Explain the polar and non-polar nature of the answer with the net dipole moment :  N F 3 ,   C O 2   a n d   B F 3 .
Explain the hybridization process with help of P F 3 molecule.

Answer 17:

In order to decide whether a molecule is polar or non-polar in nature, we find out the dipole moment with the help of hybridsation (or shape) of the molecule.

   Hybridisation of N is sp‚Äč3 , so NF3 has triginal pyramidal structure.
   Hybridisation of C is sp, so CO2 has liner structure.
   Hybridisation of B is sp2, so BF3 has trigonal plannar structure.

Thus, net dipole moment is:

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