Review States (IMFs & Solutions)

Which state of matter have the weakest intermolecular forces (attraction between the different particles)?

• solid

• liquid

• gas

What statement best 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.

All molecules have London forces between them, but some molecules can have additional types of intermolecular forces.  Which of these molecules has ONLY London dispersion forces?

• I₂

• NH₃
• OCl₂
• SH₂

Which substance would have the weakest intermolecular forces of attraction?

• CH₄

• NaCl

• H₂O

• MgF₂

What is the strongest intermolecular force for NH₃

• Dispersion Force

• Dipole dipole

• Hydrogen bonding

What would be the strongest IMF between 2 of these molecules?

• London Dispersion

• Dipole
• Hydrogen bond

Which noble gas has the highest boiling point?

• Xe
• Kr
• Ar
• He

Type of intermolecular force present in I₂, Br₂, and Cl₂.

• dipole dipole
• H-bond
• London Dispersion

• metallic

H₂S has what kind of intermolecular force as its strongest IMF?

• dipole dipole
• London dispersion

• H-bond
• ionic

Which of the following has the highest boiling point?

• H₂
• NH₃
• N₂
• O₂