Lewis and IMFs

Which of the following factors plays an important role in the identification of specific intermolecular forces in a molecule?

• bond type
• density
• solubility
• molecular polarity

Which of the following molecules contains only London dispersion forces?

• CF₄
• HCl
• H₂O
• MgO_(aq)

Which of the following molecules predominantly consists of dipole-dipole forces?

• HF
• Ne
• O₂
• ICl

Which of the following molecules would have the lowest boiling point?

• CH₄
• C₂H₆
• C₃H₈
• C₄H₁₀

Propane is a gas at STP, while bromine is a liquid at STP. Which statement correctly explains these observations?

• Bromine has weaker intermolecular forces than propane does
• Bromine has greater molecular polarity than propane does
• Bromine has weaker molecular polarity than propane does
• Bromine has stronger intermolecular forces than propane does

Which of the following statements correctly explains why hydrogen bonding is such a strong intermolecular force?

• There is an attraction between a small, weakly electronegative hydrogen atom and a large, strongly electronegative atom of fluorine, nitrogen, or oxygen
• There is an attraction between a small, highly electronegative hydrogen atom and a large, highly electronegative fluorine atom
• There is an attraction between the hydrogen and oxygen atoms, only
• There is an attraction between the hydrogen and nitrogen atoms, only

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.

Intermolecular forces for: CO₂

• Dispersion Force

• Dipole dipole

• Hydrogen bonding

What information do we look for on the periodic table if we  want to examine intermolecular forces?

• atomic mass
• atomic number
• electronegativity
• ionization 

How will the following molecule bond with itself?

• Dispersion
• Dipole
• Hydrogen bond