# Boron Trifluoride BF3 Is a Nonpolar Molecule Whereas Ammonia (NH3) Is a Polar Molecule. The Difference in Polarities Is Related to the Fact That:

(A) BF3 has no hydrogen bonding and NH3 does

(B) BF3 is triangular planar and NH3 is pyramidal

(C) BF3 is Lewis base and NH3 is Lewis acid

(D) None of the above.

Correct Answer: Option (B) BF3 is triangular planar and NH3 is pyramidal.

Boron trifluoride BF3 is a nonpolar molecule whereas ammonia (NH3) is a polar molecule. The difference in polarities is related to the fact that BF3 is triangular planar and NH3 is pyramidal.