GENERAL ORGANIC CHEMISTRY
232132
Dihedral angle between two methyl groups of n-butane in the gauche and anti forms are
1 $60^{\circ}, 0^{\circ}$
2 $0^{\circ}, 60^{\circ}$
3 $60^{\circ}, 180^{\circ}$
4 $180^{\circ}, 60^{\circ}$
Explanation:
(C): Dihedral angle between two methyl groups in n-butane is $60^{\circ}$ and $180^{\circ}$ in gauche and anti form.
