Question

Draw cis-3-ethyl-1-isopropylcyclohexane in its lowest energyconformation by following this procedure.

Draw cyclohexane.
Choose Edit ? Add ? Explicit H atoms.
Press control-3.
Press F7, or choose View ? Transform ? Rotate in 3D.
Click and hold on the structure, and rotate it until you get a goodview.
Press control-A, press Cut, and press Paste.
Type the name of an atom or group to add to the structure, or pressthe atom's button.
Click on an H atom to replace that H atom with the atom or group atthe tip of the cursor.

Do not delete any of the atoms or bonds in the ring or directlyattached to the ring with the Erase button, and do not move atomsor groups directly attached to the ring by dragging them.