The rotation about the (C2 C3) carbon-carbon bond of n-butane requires the energy of about ___________

The rotation about the (C2 C3) carbon-carbon bond of n-butane requir

1.	The rotation about the (C₂ C₃) carbon-carbon bond of n-butane requires the energy of about ___________
A.	100 kJ/mol
B.	50 kJ/mol
C.	10 kJ/mol
D.	3 kJ/mol
Answer» E.