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kifflom [539]
3 years ago
15

For every disubstituted cyclohexane, we can draw a Haworth projection and two chair conformations. This is true for all disubsti

tuted cyclohexanes, including cis-1,3-dimethylcyclohexane and trans-1,3-dimethylcyclohexane.
True or False?

Chemistry
1 answer:
Troyanec [42]3 years ago
3 0

Answer:

True.

Explanation:

Both Haworth and chair conformations can be used to represent disubstituted cyclohexanes. However, <u>the energies for each chair conformation are different</u>, thus one conformation will be more favored than the other.

For the 1,3-cyclohexanes, the most stable conformation of the <em>cis</em> isomer has both methyl groups in equatorial positions. Any conformation of the <em>trans</em> isomer puts a methyl group in an axial position. Therefore, the <em>trans</em> isomer has more energy than the <em>cis</em> isomer. We need to remember, though, that <em>cis </em>and <em>trans</em> isomers can’t be interconverted and there is no equilibrium between these.

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