SAMPLE PROBLEM 10.10
Predicting the Polarity of Molecules
(a) ammonia, NH3
(b) boron trifluoride, BF3
(c) carbonyl sulfide (atom sequence, SCO)
ENN = 3.0
ENH = 2.1
bond dipoles
molecular dipole
The bond dipoles reinforce each other, so the overall molecule is polar.
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