### Understanding Gauche Butane Interactions in a Chair Conformation #### How many gauche butane interactions are present in this chair conformation? In organic chemistry, a chair conformation is the most stable form of cyclohexane. It minimizes steric strain by positioning hydrogen atoms in a staggered arrangement. However, when considering larger groups, such as butane, interactions can occur, known as gauche interactions. These interactions arise when two substituents are positioned 60° apart on adjacent carbons. Below is a diagram of a cyclohexane chair conformation:  #### Diagram Description The diagram shows a typical chair conformation with various substituents attached. The substituents are represented as lines coming off the carbon atoms in the ring. Below the diagram, a multiple-choice question prompts the student to determine the number of gauche butane interactions present in this conformation: - 1 - 3 - 0 - 2 - 4 #### Explanation To understand the number of gauche interactions: 1. **Identify the Substituents:** Look at the positions of the substituents attached to the carbon atoms in the chair conformation. 2. **Determine the Interactions:** Check for any substituents that are positioned gauche (60°) relative to one another. By analyzing the diagram: - If the substituents connected are large groups (like butane), their proximity (if positioned 60° apart) would count as one gauche interaction. #### Answer The correct answer depends on identifying and counting the gauche interactions between the substituents on the chair conformation. In this specific case, the number of gauche butane interactions is **2**. This analysis helps in understanding the stability and conformations of cyclohexane and similar molecules in organic chemistry.
### Understanding Gauche Butane Interactions in a Chair Conformation #### How many gauche butane interactions are present in this chair conformation? In organic chemistry, a chair conformation is the most stable form of cyclohexane. It minimizes steric strain by positioning hydrogen atoms in a staggered arrangement. However, when considering larger groups, such as butane, interactions can occur, known as gauche interactions. These interactions arise when two substituents are positioned 60° apart on adjacent carbons. Below is a diagram of a cyclohexane chair conformation:  #### Diagram Description The diagram shows a typical chair conformation with various substituents attached. The substituents are represented as lines coming off the carbon atoms in the ring. Below the diagram, a multiple-choice question prompts the student to determine the number of gauche butane interactions present in this conformation: - 1 - 3 - 0 - 2 - 4 #### Explanation To understand the number of gauche interactions: 1. **Identify the Substituents:** Look at the positions of the substituents attached to the carbon atoms in the chair conformation. 2. **Determine the Interactions:** Check for any substituents that are positioned gauche (60°) relative to one another. By analyzing the diagram: - If the substituents connected are large groups (like butane), their proximity (if positioned 60° apart) would count as one gauche interaction. #### Answer The correct answer depends on identifying and counting the gauche interactions between the substituents on the chair conformation. In this specific case, the number of gauche butane interactions is **2**. This analysis helps in understanding the stability and conformations of cyclohexane and similar molecules in organic chemistry.
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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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#### Diagram Description
The diagram shows a typical chair conformation with various substituents attached. The substituents are represented as lines coming off the carbon atoms in the ring.
Below the diagram, a multiple-choice question prompts the student to determine the number of gauche butane interactions present in this conformation:
- 1
- 3
- 0
- 2
- 4
#### Explanation
To understand the number of gauche interactions:
1. **Identify the Substituents:** Look at the positions of the substituents attached to the carbon atoms in the chair conformation.
2. **Determine the Interactions:** Check for any substituents that are positioned gauche (60°) relative to one another.
By analyzing the diagram:
- If the substituents connected are large groups (like butane), their proximity (if positioned 60° apart) would count as one gauche interaction.
#### Answer
The correct answer depends on identifying and counting the gauche interactions between the substituents on the chair conformation.
In this specific case, the number of gauche butane interactions is **2**.
This analysis helps in understanding the stability and conformations of cyclohexane and similar molecules in organic chemistry.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffb6abb0f-4367-447a-ab31-0a44cd95ae50%2Fd30945ed-aa46-4d15-8780-160b67031e48%2Fnaxwu4_processed.png&w=3840&q=75)
Transcribed Image Text:### Understanding Gauche Butane Interactions in a Chair Conformation
#### How many gauche butane interactions are present in this chair conformation?
In organic chemistry, a chair conformation is the most stable form of cyclohexane. It minimizes steric strain by positioning hydrogen atoms in a staggered arrangement. However, when considering larger groups, such as butane, interactions can occur, known as gauche interactions. These interactions arise when two substituents are positioned 60° apart on adjacent carbons.
Below is a diagram of a cyclohexane chair conformation:
#### Diagram Description
The diagram shows a typical chair conformation with various substituents attached. The substituents are represented as lines coming off the carbon atoms in the ring.
Below the diagram, a multiple-choice question prompts the student to determine the number of gauche butane interactions present in this conformation:
- 1
- 3
- 0
- 2
- 4
#### Explanation
To understand the number of gauche interactions:
1. **Identify the Substituents:** Look at the positions of the substituents attached to the carbon atoms in the chair conformation.
2. **Determine the Interactions:** Check for any substituents that are positioned gauche (60°) relative to one another.
By analyzing the diagram:
- If the substituents connected are large groups (like butane), their proximity (if positioned 60° apart) would count as one gauche interaction.
#### Answer
The correct answer depends on identifying and counting the gauche interactions between the substituents on the chair conformation.
In this specific case, the number of gauche butane interactions is **2**.
This analysis helps in understanding the stability and conformations of cyclohexane and similar molecules in organic chemistry.
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