In the above compound, `C_(2)` is rotated clockwise `120^(@)` about `C_(2)-C_(3)` bond. The resulting conformer is:

C_(2) is rotated anti-clockwise 120^(@) about C_(2)-C_(3) bond. The resulting conformer is

C_(2) is rotated anti-clockwise 120^(@) about C_(2)-C_(3) bond. The resulting conformer is

In the given conformation C_(2) is rotated about C_(2)-C_(3) bond by 120^(@) , then the conformation formed will be

Newman projection of Butane is given, C-2 is rotated by 120^(º) along C_(2)-C_(3) bond in anticloclwise direction, the conformation formed is :

In the given conformation, if C_(2) is rotate about C_(2)-C_(3) bond anticlockwise by an angle of 120^(@) then the conformation obtained is

In the compound , , the C2 - C3 bond is of the type :