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3.6 - HL: Delocalization and Resonance Structures: Spreading Out Electron Density

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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is electron delocalization?

πŸ’‘ Hint: Think about how electrons are shared in certain molecules.

Question 2

Easy

Define resonance structures.

πŸ’‘ Hint: They show the same molecule with varied electron arrangements.

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Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What phenomenon increases molecular stability by spreading out electron density?

  • Local bonding
  • Resonance
  • Hybridization

πŸ’‘ Hint: Consider how electrons move in a molecule.

Question 2

Is resonance energy gained from the delocalization of electrons?

  • True
  • False

πŸ’‘ Hint: Remember the relationship between delocalization and stability.

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Challenge Problems

Push your limits with challenges.

Question 1

Describe how you would draw and interpret the resonance structures of the nitrate ion (NO₃⁻), considering bond lengths and resonance energy.

πŸ’‘ Hint: What patterns do you notice in how the electrons are shared?

Question 2

Considering the structure of ozone (O₃), analyze and compare its resonance structures with that of benzene. How does the concept of resonance contribute to each molecule's stability?

πŸ’‘ Hint: What similarities and differences do you see in terms of electron distribution?

Challenge and get performance evaluation