MCAT General Chemistry Question 41: Answer and Explanation
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Question: 41
11. Which of the following types of intermolecular forces provides the most accurate explanation for why noble gases can liquefy?
- A. Hydrogen bonding
- B. Ion–dipole interactions
- C. Dispersion forces
- D. Dipole–dipole interactions
Correct Answer: C
Explanation:
All of the listed types of forces describe interactions between different types of molecules. However, noble gases are entirely uncharged and do not have polar covalent bonds, ionic bonds, or dipole moments. Therefore, the only intermolecular forces experienced by noble gases are London dispersion forces. Although these interactions are small in magnitude, they are necessary for condensation into a liquid.