As we learned, monosubstituted cyclohexanes exist as anequilibrium mixture of two conformations having either an axial orequatorial substituent. When R = CH2CH3, Keq for this process is 23.When R = C(CH3)3, Keq for this process is 4000.Question: a.) Which R shows the higher percentage of axial conformation at equilibrium? R (axial)H.R (equatorial)H

Smaller size leads to lesser repulsion which is found in axial conformation, and as size increases…

Answered: R (axial) H. R (equatorial) H

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R (axial) H. R (equatorial) H

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter4: Polar Bonds, Polar Reactions

Section: Chapter Questions

Problem 9CTQ: Within any one section of Table 4.2, boiling points trend with what physical property?

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Concept explainers

Alkanes and Cycloalkanes

Alkanes are saturated organic compounds which are made up of C and H atoms. Alkanes have the general formula of CnH2n+2. Alkane contains sp3 hybridized carbon atoms with four sigmas (σ) bonds & every hydrogen atom is connected with one of the carbon atoms. The size of the alkane could be determined by the number of carbon atoms located in it.

Question

As we learned, monosubstituted cyclohexanes exist as an
equilibrium mixture of two conformations having either an axial or
equatorial substituent. When R = CH₂CH₃, Keq for this process is 23.
When R = C(CH₃)₃, Keq for this process is 4000.

Question: a.) Which R shows the higher percentage of axial conformation at equilibrium?

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