Q. Which of the comformers of n - butane has maximum potential energy?

 2179  220 NTA AbhyasNTA Abhyas 2020Organic Chemistry – Some Basic Principles and Techniques Report Error

Solution:

In fully eclipsed confirmation, repulsion is maximum so it has maximum energy also but least stability.

The decreasing order of energy or increasing order of stability for various conformations of butane is as follows

Fully eclipsed, Eclipsed, Gauche, Anti

Solution