Intermolecular Attractions

Intermolecular Attractions

Multiple Choice

Attractions between molecules are

• covalent bonds

• intramolecular attractions

• intermolecular attractions

• ionic bonds

Fill in the Blanks

A substance with weak intermolecular attractions are most likely

at room temperature

Multiple Choice

If a molecule has a central atom with three bonds and one pair of shared electrons, the molecular geometry is

• trigonal pyramidal

• tetrahedral

• trigonal planar

• bent

Multiple Choice

ammonia, NH₃, is a polar molecule because...

• the central atom is connected to 3 identical atoms

• it has unshared pair of electrons

• is is a planar molecule

• it is freezing cold!!!

Multiple Choice

Which is NOT true about hydrogen bonding?

• occurs between two molecules

• occurs as a special covalent bond

• occurs when one of the molecules has a hydrogen directly bonded to a N, F or O

• Is stronger than a dipole-dipole attraction

Multiple Choice

Which molecule does not have London Dispersion?

• H₂O

• O₂

• NH₃

• NaCl

Multiple Choice

Which of the following is most likely a gas at room temperature?

• C₈H₁₈

• C₂H₆

• C₂₅H₅₂

• C₁₄H₂₈

Multiple Choice

The strongest intermolecular attractions for this compound is

• Dipole-dipole

• London Dispersion

• Hydrogen Bonds

• Ionic bonds

Open Ended

Any questions or comments?