Question

The conformations of n-butane, commonly known as eclipsed, gauche and anti-conformations can be interconverted by

• A. rotation around C-H bond of a methyl group
• B. rotation around C-H bond of a methylene group
• C. rotation around C1-C2 linkage
• D. rotation around C2-C3 linkage

Answer 1

Answer: (D)

rotation around C2-C3 linkage

Answer 2

Rotation around C2-C3 linkage