JEE MAIN - Chemistry (2021 - 31st August Evening Shift - No. 1)
Arrange the following conformational isomers of n-butane in order of their increasing potential energy :
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II < III < IV < I
I < IV < III < II
II < IV < III < I
I < III < IV < II
Explanation
More stable less potential energy.
Stability order : I > III > IV > II
So
Potential energy : II > IV > III > I
Stability order : I > III > IV > II
So
Potential energy : II > IV > III > I
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