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Chemistry
Which of the comformers of n - butane has maximum potential energy?
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Q. Which of the comformers of n - butane has maximum potential energy?
NTA Abhyas
NTA Abhyas 2020
Organic Chemistry – Some Basic Principles and Techniques
A
Anti
18%
B
Gauche
19%
C
Fully eclipsed
50%
D
Eclipsed
13%
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