Geo-Scientist Prelims 2021 Chemistry Q96: The most stable conformation of the following compound is:

The most stable conformation of the following compound is:

1. (a) Chair with t-Bu equatorial and both Me equatorial
2. (b) Chair with t-Bu equatorial, Me on the far ring carbon axial (up) and Me on the adjacent carbon equatorial
3. (c) Chair with t-Bu equatorial and both Me axial (one up, one down)
4. (d) Chair with t-Bu equatorial, Me on the far ring carbon equatorial and Me on the adjacent carbon axial (down)