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JEE Main Chemistry question

ChemistryOrganic Chemistry - Some Basic Principles and TechniquesJEE Main

The total number of distinct rotational (conformational) positions of n-butane, considered at 60° dihedral intervals through a full rotation, is

Answer: (B)

Solution

Rotating the C2–C3 bond through 360° in 60° steps passes through 6 distinct conformations:

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Question ID VK-139653