The dihedral angle between two C-H bonds in the staggered conformation of ethane is
1. 60
2. 180
3. 0
4. 120
The most stable configuration of n-butane will be
1. skew boat
2. eclipsed
3. gauche
4. staggered-anti
The dihedral angle between the hydrogen atoms of two methyl groups in staggered conformation of ethane is:
1. 120°
2. 180°
3. 90°
4. 60°
In butane, which of the following forms has the lowest energy?
(1) Gauche form
(2) Eclipsed form
(3) Staggered form
(4) None of these