BF3 and nf3 both molecules are covalent BF3 is nonpolar and nf3 is Polar its reason is please give me answer
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Answer:
boron is smaller than nitrogen in size
Explanation:
BF3 is stronger covalent bond
NF3 is weaker
NF3 easily breaks bond it has low polarizing power.
BF3 don't break bond easily has high polarizing power
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Explanation:
The reason lies in hybridization!
There should be a 4th option stating that, otherwise the question is wrong.
BF3 is sp2 hybridised with trigonal planar shape
So the dipole moment gets cancelled and the molecule becomes non polar.
However, NF3 is sp3 hybridised with Pyramidal shape. So, net dipole moment is not zero and thus it is polar
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