Select the correct statements/s:

Options

A. Eclipsed and staggered ethanes give different products on relation with chlorine in presence of light.
B. The conformational isomers can be isolated at room temperature.
C. Torsional strain in ethane is minimum at dihedrated angles `60^(@),180^(@)` and `300^(@)`
D. Steric strain is minimum in staggered gauche form of `n`-butane.

Answer

C

Explanation

Torisional strain is minimum in staggered form.