Question

Which among the following is wrong about conformations of ethane ?

• A. stable conformation of ethane is staggered anti
• B. ethane has infinite conformations
• C. dihedral angle in eclipsed conformation is O
• D. stable conformation of ethane is staggered

Answer 1

Answer: (C)

dihedral angle in eclipsed conformation is O

Answer 2

The statement "dihedral angle in eclipsed conformation is O" is incorrect because eclipsed conformations include both fully eclipsed (dihedral angle 0°) and partially eclipsed (dihedral angle 120°). Therefore, the dihedral angle is not always 0° for any eclipsed conformation.