Higher Chemistry Starter Questions Intermolecular Forces

Which of the following types of intermolecular forces is found between all molecules?

• Hydrogen bonding

• London dispersion forces

• Covalent bonding

• Ionic bonding

Which molecule is capable of forming hydrogen bonds with water?

• CH₄

• NH₃

• CCl₄

• CO₂

What causes London dispersion forces to arise?

• Permanent dipole interactions

• Hydrogen bonding

• Temporary dipoles

• Ionic attractions

Which of the following compounds has the strongest hydrogen bonding?

• HCl

• HF

• H₂S

• CH₄

Which of the following would have the highest boiling point due to intermolecular forces?

• Oxygen (O₂)

• Water (H₂O)

• Methane (CH₄)

• Carbon dioxide (CO₂)

Which type of molecule exhibits permanent dipole–permanent dipole interactions?

• Br₂

• CO₂

• CH₃Cl

• CH₄

What type of intermolecular force is present between molecules of iodine (I₂)?

• Ionic bonding

• Permanent dipole–permanent dipole

• Hydrogen bonding

• London dispersion forces

Why does water have a higher boiling point than hydrogen sulfide?

• It has stronger dispersion forces

• It is a smaller molecule

• It forms hydrogen bonds

• It has ionic bonds

Which of the following elements is NOT involved in hydrogen bonding?

• Fluorine

• Oxygen

• Nitrogen

• Chlorine

Which of the following liquids would evaporate the fastest at room temperature?

• Water

• Ethanol

• Propan-1-ol

• Hexane