Intermolecular Forces

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 HCl have hydrogen bonding?

• yes
• no

Intermolecular forces for: NH₃

• Dispersion Force

• Dipole dipole

• Hydrogen bonding

Intermolecular force present in HCl?

• dipole dipole
• dispersion
• H-bond
• ionic

Type of intermolecular force present in HF.

• dipole dipole
• dispersion
• H-bond
• ionic

Intermolecular forces are the forces

• within molecules
• between molecules

The weaker the intermolecular forces of a substance, the _____________ the boiling point.

• higher

• lower

Which intermolecular force results from a hydrogen bonded to O, F or N?

• Dipole-Dipole

• Hydrogen Bonding

• London Dispersion

• Ion-Dipole

Dipole-dipole attractions occur between polar molecules. Which of these molecules is polar?

• H₂

• HCl

• Cl₂

• Br₂

When a polar molecule attracts the electron in a nonpolar molecule,

• an ionic bond forms

• a Lewis structure forms

• a crystal lattice forms

• a dipole is induced