Dipole-Dipole Forces

• Explains why polar liquids are more soluble in polar liquids than in non-polar liquids

  • It takes 2000 mL of H2O to dissolve 1 mL of CCl4
  • It takes 50 mL of H2O to dissolve 1 mL of CH2Cl2

• Which member of each pair has the stronger intermolecular forces?

SiCl4, SiHCl3

CO2, SO2

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