Learning Path
Question & Answer
Choose the Best Answer
Equatorial substituents are more stable due to reduced steric hindrance.
Axial substituents are always more stable regardless of the size.
Substituents can freely rotate between axial and equatorial positions without energy cost.
Only bulky substituents affect the stability of chair conformations.
Understanding the Answer
Let's break down why this is correct
When a group sits in an equatorial spot, it is farther from the other atoms in the ring. Other options are incorrect because The belief that axial groups are always better ignores that axial groups touch nearby atoms; Changing a group from axial to equatorial is not a free move.
Key Concepts
Cyclohexane Chair Conformations
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Deep Dive: Cyclohexane Chair Conformations
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Definition
Cyclohexane molecules exhibit chair conformations where axial and equatorial positions determine stability. Chair flips involve interchanging axial and equatorial hydrogens without breaking bonds. The positioning of substituents like methyl groups affects energy levels and steric interactions, impacting molecular stability and reactivity.
Topic Definition
Cyclohexane molecules exhibit chair conformations where axial and equatorial positions determine stability. Chair flips involve interchanging axial and equatorial hydrogens without breaking bonds. The positioning of substituents like methyl groups affects energy levels and steric interactions, impacting molecular stability and reactivity.
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