3.4 - Intermolecular Forces (IMFs): Attractions Between Molecules
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Practice Questions
Test your understanding with targeted questions
Define intermolecular forces in one sentence.
💡 Hint: Think about the forces existing between molecules as opposed to inside them.
What is an example of a substance exhibiting dipole-dipole forces?
💡 Hint: Recall polar molecules where positive and negative ends attract.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the strongest type of intermolecular force?
💡 Hint: Think about which forces involve hydrogen with highly electronegative elements.
True or False: London dispersion forces are present in all molecules.
💡 Hint: Consider if all molecules have some form of electron cloud.
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Challenge Problems
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Describe a situation where you would compare the boiling points of two substances, one with strong hydrogen bonds and another with only London dispersion forces. What factors would you consider?
💡 Hint: Think about why we need heat to change states.
A liquid has a lower viscosity than another; deduce which intermolecular forces might be weaker in the less viscous liquid and explain.
💡 Hint: Consider how viscosity relates to the movement of molecules.
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