Bond Polarity

c(A) - c(B) 3.5 - 2.1

Dc 1.4

c H

2.1

O F

3.5 4.0

Also note that polarity is “reversed.”

Which bond is more polar ? (has larger bond DIPOLE)

O—H O—F

3.5 - 4.0

0.5

??(O-H) > ??(O-F)

Therefore OH is more polar than OF

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