The electronegativity difference between N and F is greater than that between N and H…
Chemistry · NEET · NTA Exams — Chemical Bonding and Molecular Structure
The electronegativity difference between N and F is greater than that between N and H, yet the dipole moment of NH3 (1.5 D) is larger than that of NF3 (0.2 D). This is because:
- in NH3 as well as in NF3 the atomic dipole and bond dipole are in the same direction
- in NH3 the atomic dipole and bond dipole are in the same direction whereas in NF3 these are in opposite directions
- In NH3 as well NF3 the atomic dipole and bond dipole are in opposite directions
- in NH3 the atomic dipole and bond dipole are in the opposite directions whereas in NF3 these are in the same directions
Answer
(B) in NH 3 the atomic dipole and bond dipole are in the same direction whereas in NF 3 these are in opposite directions
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