• Nonpolar compounds do not dissolve in water.
  • The attractive forces that operate between the particles in a nonpolar compound are weak dispersion forces.
  • Nonpolar molecules are more attracted to themselves than they are to the polar water molecules.
  • A nonionized molecule must be relatively polar to interact with water molecules, but not too polar to dissolve in polar water.
  • Small compounds such as methanol, ethanol, acetic acid, and acetone have polar groups that can interact with the polar H of water.
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