Draw the chair conformation of 1,2,3,4,5,6-hexabromocyclohexane with all the bromines in axial positions.

Illustrate the chair conformation of 1,2,3,4,5,6-hexaethylcyclohexane with all the substituents in equatorial positions.

(i) The compound given below has two conformers. Draw their Newman projections.
(ii) Which conformer is present in greatest concentration at equilibrium?
trans-1,3-dimethylcyclohexane

Indicate whether the substituents in the two chair conformers for the disubstituted cyclohexanes given below are one axial and one equatorial in each of the chair conformers or both axial in one chair conformer and both equatorial in the other chair conformer.
(i) cis-1,4-dimethoxycyclohexane
(ii) trans-1,4-dimethoxycyclohexane

Indicate whether the substituents in the two chair conformers for the disubstituted cyclohexanes given below are one axial and one equatorial in each of the chair conformers or both axial in one chair conformer and both equatorial in the other conformer.
(i) cis-1,2-difluorocyclohexane
(ii) trans-1,2-difluorocyclohexane

Draw an equivalent structure for a Newman projection of a cyclohexane derivative shown below using wedge and dash bonds on a cyclohexane hexagon.

Refer to the Newman projection below. Determine the IUPAC name of the substituted cyclohexane.