Question

which one has more dipole moment NH3, or NF3, and why​

Answer 1

The dipole moment of NH3 is higher in comparison to NF3. REASON The F i.e. fluorine is more electronegative than N and pulls the electrons . As the number NF bonds is 3 the 3 F atoms pull the electrons. The resulting electronegative forces decrease the dipole moment.

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Answer 2

Answer:

The molecular geometry is pyramidal for both the molecules. In each molecule, N atom has one lone pair. F is more electronegative than H and N−F bond is more polar than N−H bond. Hence, NF3 is expected to have much larger dipole moment than NH3.

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