Answers to Chapter 4 Practice Questions

4.1 Solutions included in the section.

4.2 Draw all conformers for 3-methylpentane by viewing along the C2-C3 bond, and order them from the most stable to the least stable.


4.3 Determine which is the more stable isomer: cis-1-ethyl-2-methylcyclohexane or trans-1-ethyl-2-methylcyclohexane.

The trans-isomer has the most stable conformer with both substituents at equatorial positions; therefore, the trans-isomer is the more stable one.



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