Practice London Dispersion Forces (LDFs) / Van der Waals Forces - 3.4.1 | Module 3: Chemical Bonding & Structure | IB 12 Chemistry
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London Dispersion Forces (LDFs) / Van der Waals Forces

3.4.1 - London Dispersion Forces (LDFs) / Van der Waals Forces

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What are London Dispersion Forces?

💡 Hint: Think about how electrons affect attraction between molecules.

Question 2 Easy

Name one factor that affects the strength of LDFs.

💡 Hint: Consider what happens when a molecule has more electrons.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What causes London Dispersion Forces?

A permanent dipole
Temporary dipoles from electron motion
Ionic interactions

💡 Hint: Think about how electrons behave over time.

Question 2

True or False: LDFs are present only in polar molecules.

True
False

💡 Hint: Remember the universal nature of LDFs.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Compare the boiling points of hexane (C6H14) and octane (C8H18) and explain the differences in terms of LDFs.

💡 Hint: Focus on how molecular size impacts LDF strength.

Challenge 2 Hard

Design an experiment to measure the impact of molecular shape on LDF strength, using different isomers.

💡 Hint: Consider the relationship between molecular shape and interaction.

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