In general, resonance O delocalizes; stabilizes O localizes; stabilizes O delocalizes; destabilizes O destabilizes; destabilizes O localizes; destabilizes electrons and molecules.

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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**Understanding Resonance in Chemistry**

Resonance in chemistry refers to the concept where the electron structure of a molecule or compound cannot be adequately represented by a single Lewis structure. Instead, multiple structures, called resonance forms, are used to describe the molecule's electron distribution.

**Multiple Choice Question:**

"In general, resonance ________ electrons and ________ molecules."

1. O delocalizes; stabilizes
2. O localizes; stabilizes
3. O delocalizes; destabilizes
4. O destabilizes; destabilizes
5. O localizes; destabilizes

**Explanation:**

- **Delocalization** refers to the spread of electron density over several atoms, rather than being localized between a pair of atoms. This occurs in resonance structures.
- **Stabilization** occurs because the delocalization of electrons spreads out the charge and lowers the overall energy of the molecule, making it more stable.
- **Localization** of electrons means keeping them fixed between two nuclei.

Correct Answer: "delocalizes; stabilizes"

Resonance structures show that electrons are not fixed in a single position but are spread out over multiple atoms, helping to stabilize the molecule. This concept is essential in understanding the real electron distribution and stability in many molecules and ions.
Transcribed Image Text:**Understanding Resonance in Chemistry** Resonance in chemistry refers to the concept where the electron structure of a molecule or compound cannot be adequately represented by a single Lewis structure. Instead, multiple structures, called resonance forms, are used to describe the molecule's electron distribution. **Multiple Choice Question:** "In general, resonance ________ electrons and ________ molecules." 1. O delocalizes; stabilizes 2. O localizes; stabilizes 3. O delocalizes; destabilizes 4. O destabilizes; destabilizes 5. O localizes; destabilizes **Explanation:** - **Delocalization** refers to the spread of electron density over several atoms, rather than being localized between a pair of atoms. This occurs in resonance structures. - **Stabilization** occurs because the delocalization of electrons spreads out the charge and lowers the overall energy of the molecule, making it more stable. - **Localization** of electrons means keeping them fixed between two nuclei. Correct Answer: "delocalizes; stabilizes" Resonance structures show that electrons are not fixed in a single position but are spread out over multiple atoms, helping to stabilize the molecule. This concept is essential in understanding the real electron distribution and stability in many molecules and ions.
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