IMF yr 11

Intermolecular forces are the forces

• within molecules

• between molecules

Rank these in order of strength:
covalent bond
London forces
hydrogen bond
dipole-dipole attraction

• dipole-dipole>covalent bond>hydrogen bond>London
• London>dipole-diple>hydrogen bond>covalent bond
• covalent bond>hydrogen bond>dipole-dipole>London
• hydrogen bond>dipole-dipole>London>covalent bond

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

• higher

• lower

Intermolecular force present in HCl?

• dipole dipole
• dispersion
• H-bond
• ionic

Intermolecular forces for: NH₃

• Dispersion Force

• Dipole dipole

• Hydrogen bonding

Which substance would have the weakest intermolecular forces of attraction?

• CH₄

• NaCl

• H₂O

• MgF₂

Does HCl have hydrogen bonding?

• yes
• no

The polarity of a bond is determined by...

• The sum of the electronegativities of the two atoms

• The difference in the electronegativities of the two atoms

• The charges of the atoms

• The number of electrons shared in the bond

The force of attraction between nonpolar molecules:

• Hydrogen Bonding
• Dipole - Dipole Forces
• LDF
• Ionic Forces

Which type of IMF is responsible for the attraction pictured above?

• Dipole-Dipole Interaction

• Ion-Dipole Interaction

• Hydrogen Bonds

• Covalent Bond

• Ionic Bond