Question

Which pair of molecules is not a polar bond?

A) N-O
B) C-O
C) O-H
D)O-o

Answer 1

D) O-O

(plato users)

Step-by-step explanation:

Answer 2

D) O-O

The higher the difference in electronegativities of the two atoms, the more polar it is. Although oxygen is a very electronegative atom, it is bonded to itself which would make it a nonpolar bond.