Arrange the following pairs from strongest to weakest attraction:
a) polar molecule and polar molecule
b) nonpolar molecule and nonpolar molecule
c) polar molecule and ion
d) ion and ion
1. d, a, c, b.
2. c, d, a, b.
3. b, a, d, c.
4. None of these
5. b, c, a, d.
6. a, b, c, d.
7. d, c, b, a.
8. b, a, c, d.
9. d, c, a, b