Final answer:
To draw the chair conformations of trans-1-isopropyl-2-methylcyclohexane, position the isopropyl and methyl groups in trans positions on the cyclohexane ring.
Step-by-step explanation:
To draw the chair conformations, start by drawing the cyclohexane ring. Then, position the isopropyl group (CH3-CH(CH3)-CH3) and the methyl group (CH3) in trans positions, with the isopropyl group on one side of the ring and the methyl group on the other side. The more stable chair conformation will have the bulky isopropyl group in the equatorial position rather than the axial position.
This is because the axial position experiences steric repulsion with the other axial hydrogen atoms, while thedentifyi equatorial position allows for more favorable interactions.Ing the more stable chair conformation
In the more stable chair conformation, the isopropyl group will be in the equatorial position and the methyl group will be in the axial position. This conformation will have lower steric hindrance and therefore be more stable. The less stable conformation will have the isopropyl group in the axial position and the methyl group in the equatorial position.
The more stable chair conformation has the bulky isopropyl group in the equatorial position. The less stable conformation has the isopropyl group in the axial position.