The structures shown below represent .......

On Pluto,where everything is frozen,astronauts discovered two forms of butane: gauche and anti. Assuming that there are no rotations around single bonds,which statement about the two forms is correct?

What is the increasing order of stability for the three main conformers (e.g.,eclipsed,anti,gauche) of $2$-fluoroethanol?

The two structures $I$ and $II$ represent:

Which is the most stable conformation of ethylene glycol?

Arrange the following molecules in the correct order of stability (decreasing order):