Intermolecular Forces

What intermolecular force present in a sample of pure HCl?

• dipole-dipole attraction

• H-bonds

• London dispersion forces 

• molecule-ion attraction

 Intermolecular forces are the forces that exist

• within molecules

• between molecules

Which of these is not an intermolecular force?

• covalent bonding

• London dispersion forces

• hydrogen bonding

• dipole-dipole forces

Which are the strongest intermolecular forces?

• hydrogen bonds

• London dispersion forces

• dipole-dipole forces

• molecule-ion attractions

Hydrogen bonding is a special type of what force?

• London dispersion forces

• ion-dipole forces

• dipole-dipole forces

• covalent force

What type of intermolecular force is present in all substances, regardless of polarity?

• London dispersion forces

• ion-dipole forces

• dipole-dipole forces

• hydrogen bonding

What explains the very high melting and boiling point of water?

• Dipole-dipole forces between water molecules

• London dispersion forces between water molecules

• Hydrogen bonds between water molecules

• Molecule-ion attractions between water molecules

 In general, substances with stronger intermolecular forces have ________ boiling points than those with weaker forces

• Higher

• The same

• Lower

Which is the second strongest intermolecular force, after hydrogen bonding?

• dipole-dipole attraction

• London forces

What are intermolecular forces?

• forces of attraction or repulsion which act between neighboring particles

• forces which keep a molecule together.