For each of the following disubstituted cyclohexanes, indicate whether the substituents in the two chair conformers would

Question:

For each of the following disubstituted cyclohexanes, indicate whether the substituents in the two chair conformers would be both equatorial in one chair conformer and both axial in the other or one equatorial and one axial in each of the chair conformers:
a. cis-1,2- b. trans-1,2-
c. cis-1,3-
d. trans-1,3-
e. cis-1,4-
f. trans-1,4-