Please check ## Exploring Conformations of Butane### Structure of ButaneThe chemical structure of butane is depicted as:\[ \text{CH}_3 - \text{CH}_2 - \text{CH} - \text{CH}_3 \]### Newman Projections of ButaneThree Newman projections are shown to illustrate different conformations of butane.1. **Most Stable Conformation:** - The leftmost diagram shows the most stable conformation of butane. - In this conformation, the methyl groups (\( \text{CH}_3 \)) and hydrogens (H) are spaced to minimize gauche interactions. - The statement below reads: "Most Stable - It has the least gauche interactions."2. **Intermediary Conformation:** - The central diagram represents an intermediary conformation that is less stable than the first but more stable than the eclipsed conformation. - This configuration is indicated with bidirectional arrows showing possible rotation.3. **Least Stable Conformation:** - The rightmost diagram illustrates the least stable conformation. - Here, the methyl groups (\( \text{CH}_3 \)) are aligned, leading to maximum eclipse. - The statement below reads: "Least Stable - eclipsed configuration." This sequence of diagrams helps in understanding the rotational energy barrier in butane due to steric hindrance and torsional strain, which affects its stability.

Yes you are true Eclipsed form is if dihedral angle is 0° between group If dieheadral angle is 60°…

Answered: CH, CH3 CH2 - CH2 - CH-CH CH3. CH3 CH3…

CH, CH3 CH2 - CH2 - CH-CH CH3. CH3 CH3 CH3 CH3 CH Least stable elipsed configuration Most Stable H has the least he interactions gau

Chemistry

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ISBN:9781305957404

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Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

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## Exploring Conformations of Butane

### Structure of Butane
The chemical structure of butane is depicted as:
\[ \text{CH}_3 - \text{CH}_2 - \text{CH} - \text{CH}_3 \]

### Newman Projections of Butane

Three Newman projections are shown to illustrate different conformations of butane.

1. **Most Stable Conformation:**
- The leftmost diagram shows the most stable conformation of butane.
- In this conformation, the methyl groups (\( \text{CH}_3 \)) and hydrogens (H) are spaced to minimize gauche interactions.
- The statement below reads: "Most Stable - It has the least gauche interactions."

2. **Intermediary Conformation:**
- The central diagram represents an intermediary conformation that is less stable than the first but more stable than the eclipsed conformation.
- This configuration is indicated with bidirectional arrows showing possible rotation.

3. **Least Stable Conformation:**
- The rightmost diagram illustrates the least stable conformation.
- Here, the methyl groups (\( \text{CH}_3 \)) are aligned, leading to maximum eclipse.
- The statement below reads: "Least Stable - eclipsed configuration."

This sequence of diagrams helps in understanding the rotational energy barrier in butane due to steric hindrance and torsional strain, which affects its stability.

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