NCERT Exercise 4.23 - Chemical Bonding and Molecular Structure

Question: Which has higher dipole moment, NH3 or NF3, and why?

Answer: NH3 has the higher dipole moment. In NH3, N-H bond moments reinforce the lone-pair contribution; in NF3, the N-F bond moments oppose it.

Full step-by-step NCERT solution with diagrams on Something by Zero.