Which of the Following Disubstituted Cyclohexanes Could Exist in a Conformation

question 25

Multiple Choice

Which of the following disubstituted cyclohexanes could exist in a conformation that has both groups equatorial?

• A) cis-1,3-dimethylcyclohexane
• B) cis-1,4-dimethylcyclohexane
• C) trans-1,3-dimethylcyclohexane
• D) cis-1,2-dimethylcyclohexane
• E) All or none can have both groups equatorial.

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Definitions:

Ka

An abbreviation for acid dissociation constant, a quantitative measure of the strength of an acid in solution, representing the equilibrium constant of its dissociation.

Conjugate Acid

A species formed by the reception of a proton (H+) by a base, related to its conjugate base by the difference of one hydrogen atom.

Ethanol

A two-carbon alcohol, commonly known as alcohol, with the chemical formula C2H5OH, used as a solvent, fuel, and in beverages.

Increasing Basicity

A qualitative term describing the trend or pattern observed as the basic character (ability to accept protons) of a series of compounds increases.