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WorksheetsIntermolecular Forces and Properties Practice
Total questions: 10
Worksheet time: 5mins
Which of the following properties is not affected by intermolecular forces?
Color
Melting point
Surface tension
Viscosity
Which of these substances is expected to have the highest boiling point?
NH3
NF3
C2H6
C4H8
What is the relationship between vapor pressure and intermolecular forces?
Vapor pressure does not depend upon intermolecular forces, only the strength of chemical bonds.
Stronger intermolecular forces cause particles to repel each other, raising the vapor pressure.
Stronger IMFs cause particles to stick together, lowering the vapor pressure.
Intermolecular forces cause all liquids to have the same vapor pressure.
Based on the strength of intermolecular forces, which would you expect to have the highest vapor pressure?
NF3
NH3
CH4
C5H12
Compare the viscosity of CH3OH and CH3Cl
You cannot predict viscosity without knowing the color of the liquid
CH3Cl is more viscous because it has a greater mass than CH3OH
CH3Cl is more viscous because CH3OH has hydrogen bonds while CH3Cl's strongest force is dipole-dipole
CH3OH is more viscous because CH3OH has hydrogen bonds while CH3Cl's strongest force is dipole-dipole
Select the correct order of molecules from lowest to highest boiling point, based on intermolecular forces.
CH4 < C2H6 < H2O < SO2
H2O < SO2 < C2H6 < CH4
C2H6 < CH4 < H2O < SO2
CH4 < C2H6 < SO2 < H2O
Ionic bonds and covalent bonds are ____ than intermolecular forces
Stronger
Weaker
Which of the following will have a higher melting point?
NaCl because it has ionic bonds
HF because it has hydrogen bonding
A liquid evaporates very quickly. What type of intermolecular force(s) would you expect to be present?
London dispersion, dipole-dipole, and hydrogen bonding
London dispersion and dipole-dipole
Only London dispersion forces
Which of these melts at the highest temperature?
CH4
NaBr
H2O
SeO
