Engineering
Chemistry
Conformational Isomerism
Question

Arrange the following conformational isomers of n-butane order of their increasing potential energy:

II < IV < III < I

I < III < IV < II

II < III < IV < I

I < IV < III < II

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Solution

The order Potential energy of above conformations is

Fully eclipsed > Partial eclipsed > Gauche > Anti