Which of the following liquids experiences dipole-dipole intermolecular forces?
a) O2(l)
b) CCl4(l)
c) SO3(l)
d) CF2Cl2
Solution: Polar molecules experience dipole-dipole intermolecular forces. O2 is nonpolar since it consists of two atoms of the same element. CCl4 is nonpolar as well since the central atom is attached to the same elements and is tetrahedral. SO3 likewise is nonpolar. CF2Cl2 is a polar molecule and would experience dipole-dipole intermolecular forces
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