what is the molecule polarity of NBr3?

NBr3 has a trigonal pyramidal geometry where the nitrogen atom is bonded to three bromine atoms and has one lone pairs. The individual bonds are polar, as bromine is less electronegative than nitrogen. The overall compound is also polar, as the dipoles do not cancel.

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pstnonsonjoku pstnonsonjoku · Answer 2 · 2021-11-09T15:09:34+01:00

NBr3 is a polar molecule because it has a net dipole moment.

NBr3 is a polar molecule. The molecule has three polar N - Br bonds and is trigonal pyramidal. We must note that a trigonal pyramidal molecule has a net dipole moment. The dipole moments do not cancel out.

Also, the direction of the dipole moment is towards the nitrogen atom. Dipole moments point from the more electronegative atom (bromine) towards the less electronegative atom(nitrogen). The structure of NBr3 is attached to this answer.

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