IMFA Review

Hydrogen bonding occurs when hydrogen is bonded to N, O, or F. Which of the following has hydrogen bonding?

• CBr4

• H2S

• NO2

• NH3

Does HF have hydrogen bonding?

• Yes

• No

Does CH4 have hydrogen bonding?

• Yes

• No

Which substance has the weakest intermolecular force?

• Substance A, boiling point of 75⁰ celcius

• Substance B, boiling point of 105⁰ celcius

• Substance C, boiling point of 25⁰ celcius

• Substance D, boiling point of 45⁰ celcius

What is the second strongest intermolecular force, after hydrogen bonding?

• Dipole - Dipole

• London Dispersion

Intermolecular forces of attraction are also called (a)   forces

Which substance would have London Dispersion Forces?

• CH₄

• H₂O

• NaCl

• MgF₂

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?

• I₂

• OCl₂

• NH₃

• SH₂

The intermolecular forces for CO₂

• Hydrogen Bond

• Dipole - Dipole

• London Dispersion

• Ion - Dipole

• Hydrogen Bond

• Dipole - Dipole

• Ion - Dipole

• London Dispersion