Draw both chair conformations of the following cyclohexane. Circle the chair conformation that is lower in energy (more stable) and provide a brief explanation for your choice.
Draw both chair conformations of the following cyclohexane. Circle the chair conformation that is lower in energy (more stable) and provide a brief explanation for your choice.
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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Transcribed Image Text:**Instructions:**
Draw both chair conformations of the following cyclohexane. Circle the chair conformation that is lower in energy (more stable) and provide a brief explanation for your choice.
**Molecular Structure:**
The structure provided shows a cyclohexane ring with a propyl group (CH2CH2CH3) attached at one of the carbon atoms. The substituent is drawn with stereochemistry indicating axial positioning (bond line going down and away).
**Task Explanation:**
- **Chair Conformations:** Cyclohexane can adopt different conformations due to its flexibility. The chair conformations are the most stable due to minimized steric strain.
- **Axial vs Equatorial Positions:**
- Atoms or groups can be placed axially (parallel to the imaginary axis of the ring) or equatorially (around the equator of the ring).
- Generally, bulky groups prefer to be in the equatorial position to minimize steric hindrance.
**Explanation Requirement:**
- Identify which conformation has the propyl group in the equatorial position.
- Explain why this conformation is more stable (lower energy), typically because of reduced steric strain or 1,3-diaxial interactions.
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