18. Which of these is not an intermolecular force?

A. Covalent bond

B. hydrogen bond

C. London dispersion force

D. dipole-dipole

force

19. What is the strongest intermolecular force?

A. Ion-dipole

B. Hydrogen bond

C. Dipole-dipole D. London dispersion force 20. Which of the following substances will dissolve in water?

A. Oil b. Carbon tetrachloride

c. Vinegar

d. Gasoline

Explanation: Answer the question briefly.

1.What relationship can you derive between the strength of Intermolecular Forces of Attraction (IMFA) and physical properties of covalent molecules?​