Choose the molecule or compound that exhibits dipole-dipole forces as its strongest intermolecular force.

SO₂

H₂

CF₄

BCl₃

NH₃

Choose the pair of substances that are most likely to form a homogeneous solution.

LiF and C₆H₁₄

C₃H₈ and C₂H₅OH

Br₂ and PF₃

NH₃ and CH₃OH

NaCl and Hg

Choose the substance with the highest boiling point.

CS₂

HF

I₂

KI

CH₄