Intermolecular Forces

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

All molecules have London forces between them, but dipole-dipole and hydrogen bonding are so much stronger that when they are present we can ignore London forces. Which of these has ONLY London forces?

• CF₄

• NH₃

• OCl₂

• SH₂

Intermolecular forces for: NH₃

• Dispersion Force

• Dipole dipole and dispersion

• Hydrogen bonding, dipole-dipole, dispersion

Intermolecular forces for: CO₂

• Dispersion Force

• Dipole dipole and dispersion

• Hydrogen bonding, dipole-dipole, and dispersion

What are the intermolecular forces present in the molecule?

• Dispersion only

• Dispersion & Dipole-Dipole

• Dipole-dipole only

• Dispersion, Dipole-Dipole, & Hydrogen Bonding

What are the intermolecular forces present in the molecule?

• Dispersion, dipole-dipole, and hydrogen bonding

• Dipole-dipole

• Dispersion and Dipole-Dipole

• Dispersion and hydrogen bonding

Does HCN have hydrogen bonding?

• Yes

• No

What will be the strongest IMF for the following molecule when it interacts with other molecules like it?

• Dispersion

• Dipole-dipole

• Hydrogen bond

Which substance would have the weakest intermolecular forces of attraction?

• CH₄

• NaCl

• H₂O

• H₂S