試題詳解

10. Which of the statements below correctly describes the chair conformations of trans-1,4-dimethylcyclohexane? |
(A) The two chair conformations are of equal energy. |
(B) The higher energy chair conformation contains one axial methyl group and one equatorial methyl group. |
(C) The lower energy chair conformation contains one axial methyl group and one equatorial methyl group. |
(D) The higher energy chair conformation contains two axial methyl groups. |
(E) The lower energy chair conformation contains two axial methyl groups. |