CH3 A) ion-ion B) dipole-dipole C) hydrogen bonding D) dipole-induced dipole E) London dispersion forces

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Organic Chemistry: Aromatic Compounds**

**Functional Group Description:**
The image depicts an aromatic compound known as toluene. Toluene consists of a benzene ring with a methyl group (CH₃) attached to it. The benzene ring is a planar, cyclic structure with alternating double bonds, contributing to its stability and unique properties.

**Intermolecular Forces:**
The question asks about the strongest intermolecular attraction between two molecules of this type. The multiple-choice options are:
- A) ion-ion
- B) dipole-dipole
- C) hydrogen bonding
- D) dipole-induced dipole
- E) London dispersion forces

The correct answer, highlighted, is **E) London dispersion forces**. While hydrogen bonding is a strong intermolecular force, it is not applicable to toluene, as toluene lacks the necessary hydrogen atoms bonded to electronegative atoms like nitrogen, oxygen, or fluorine for hydrogen bonding to occur. London dispersion forces are the primary intermolecular forces in nonpolar molecules like toluene.

**Properties of Toluene:**
- **Stability:** Due to resonance stabilization in the benzene ring.
- **Volatility:** Toluene is a volatile liquid at room temperature.
- **Solvent Use:** Commonly used as a solvent in the industrial synthesis of various chemicals.

Understanding the structure, bonding, and interactions of aromatic compounds helps in various applications, including chemical synthesis and industrial processes.
Transcribed Image Text:**Organic Chemistry: Aromatic Compounds** **Functional Group Description:** The image depicts an aromatic compound known as toluene. Toluene consists of a benzene ring with a methyl group (CH₃) attached to it. The benzene ring is a planar, cyclic structure with alternating double bonds, contributing to its stability and unique properties. **Intermolecular Forces:** The question asks about the strongest intermolecular attraction between two molecules of this type. The multiple-choice options are: - A) ion-ion - B) dipole-dipole - C) hydrogen bonding - D) dipole-induced dipole - E) London dispersion forces The correct answer, highlighted, is **E) London dispersion forces**. While hydrogen bonding is a strong intermolecular force, it is not applicable to toluene, as toluene lacks the necessary hydrogen atoms bonded to electronegative atoms like nitrogen, oxygen, or fluorine for hydrogen bonding to occur. London dispersion forces are the primary intermolecular forces in nonpolar molecules like toluene. **Properties of Toluene:** - **Stability:** Due to resonance stabilization in the benzene ring. - **Volatility:** Toluene is a volatile liquid at room temperature. - **Solvent Use:** Commonly used as a solvent in the industrial synthesis of various chemicals. Understanding the structure, bonding, and interactions of aromatic compounds helps in various applications, including chemical synthesis and industrial processes.
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The force of attractions between two molecules are called inter molecular attractions.

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