Intermolecular Forces Quiz

Which of the following intermolecular forces exists in all types of molecules, including nonpolar ones?

• Hydrogen bond

• Ion-dipole force

• London dispersion force

• Dipole-dipole force

What type of force is present between water (H₂O) and sodium ions (Na⁺) in solution?

• Dipole-dipole

• Ion-dipole

• London dispersion

• Hydrogen bond

Which statement is TRUE about hydrogen bonding?

• It occurs only in nonpolar molecules.

• It occurs when hydrogen is bonded to a metal.

• It is a type of intramolecular force.

• It involves hydrogen bonded to F, O, or N.

Which compound has the strongest intermolecular force?

• CH₄

• SO

• CH₄O

• F₂

Which of the following has dipole-dipole forces as the dominant intermolecular force?

• Carbon tetrachloride (CCl₄)

• Methane (CH₄)

• Nitrogen tribromide (NBr₃)

• Sodium chloride in water (NaCl in H₂O)

What trend is observed in boiling point with increasing strength of intermolecular forces?

• Boiling point decreases

• Boiling point remains the same

• Boiling point increases

• Boiling point is unrelated to IMFA

Which of the following correctly lists the increasing strength of intermolecular forces?

• Hydrogen bond < Ion-dipole < Dipole-dipole < London dispersion

• Ion-dipole < Hydrogen bond < Dipole-dipole < London dispersion

• London dispersion < Dipole-dipole < Hydrogen bond < Ion-dipole

• Dipole-dipole < London dispersion < Ion-dipole < Hydrogen bond

What is the dominant intermolecular force in HF (hydrogen fluoride)?

• London dispersion

• Dipole-dipole

• Ion-dipole

• Hydrogen bond

Which property increases with stronger intermolecular forces?

• Vapor pressure

• Rate of evaporation

• Surface tension

• Compressibility

Which of the following substances has the lowest vapor pressure based on intermolecular forces?

• F₂

• SO

• CH₃OH

• NaCl in water