Intermolecular Forces and Macroscopic Properties

Which intermolecular force is present in all molecules and atoms?

• London dispersion forces

• dipole-dipole forces

• hydrogen bonding

• none of the above

Which intermolecular force is due to the formation of an instantaneous dipole?

• London dispersion forces

• dipole-dipole forces

• hydrogen bonding

• none of the above

Which substance below has dispersion forces?

• CH₄

• CO₂

• F₂

• H₂S

• All above

Which noble gas has the highest boiling point?

• Ne

• Ar

• Kr

• Xe

Which molecule below has hydrogen bonding?

• CH₄

• HCl

• H₂

• CH₃CH₂OH

Which compound in liquid form will have the highest vapor pressure?

• CH₄

• CH₃CH₃

• CH₃COCH₃

• CH₃CH₂OH

Which substance would be expected to have the highest boiling point?

• N₂

• O₂

• CO

• not enough information

Which intermolecular force found in CCl₂H₂ is the strongest?

• dispersion forces

• dipole-dipole forces

• hydrogen bonding

• none of the above

What explains the very high melting and boiling point of water

• Strong dipole-dipole bonds between water molecules
• Strong hydrogen bonds between water molecules
• Dispersion forces which are present in all molecules
• Asymmetrical shape of the polar bonds.

Does H₂S have hydrogen bonding?

• yes
• no