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JEE Main Chemistry question

ChemistryOrganic Chemistry - Some Basic Principles and TechniquesJEE Main

The correct order of stability of the different conformations of butane is

Answer: (A)

Solution

Rotating about the C2–C3 bond of butane, torsional and steric (methyl–methyl) strain is lowest in the anti (staggered, 180°) form, rises through gauche (60°) and

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Question ID VK-139947