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Chemical Bonding and Molecular Structure
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30/08/2021 10:33 am
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The molecules BF3 and NF3 are both covalent compounds, but BF3 is non polar whereas NF3 is polar. The reason for this is
(a) atomic size of boron is larger than nitrogen
(b) Boron is metal while nitrogen is gas
(c) B – F bonds are non-polar while N – F bonds are polar
(d) BF3 is planar but NF3 is pyramidal
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30/08/2021 10:35 am
Correct answer: (d) BF3 is planar but NF3 is pyramidal
Explanation:
The shape of BF3 is trigonal planar