Which of the following is the correct relationship between boiling point and intermolecular forces?
Correct answer: A. The boiling point increases if the intermolecular forces increase
- A. The boiling point increases if the intermolecular forces increase
- B. The boiling point decreases if the intermolecular forces increase
- C. The boiling point increases if the intermolecular forces decrease
- D. The boiling point is not affected by intermolecular forces
Explanation
More energy is required to overcome the intermolecular forces, if the strength of intermolecular forces increases, hence the boiling point will increase.
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About Evaporation, Boiling Point and Vapour Pressure
Evaporation is the escape of higher-energy molecules from a liquid surface, while vapour pressure is the pressure exerted by vapour in equilibrium with that liquid. The topic distinguishes evaporation from boiling and relates both to temperature, intermolecular forces, surface area, atmospheric pressure and the boiling point.
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