Both BF 3 and NF 3 are covalent but BF 3 molecule is non-polar while NF 3 is polar…
Chemistry · JEE Main · NTA Exams — Chemical Bonding and Molecular Structure
Both BF3 and NF3 are covalent but BF3 molecule is non-polar while NF3 is polar because :
- atomic size of boron is smaller than nitrogen
- BF3 is planar but NF3 is pyramidal
- boron is a metal while nitrogen is gas
- BF bond has no dipole moment while NF3 bond has dipole
Answer
(B) BF 3 is planar but NF 3 is pyramidal
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