Organic Chemistry Basics 1 Question 10

10.

$\mathrm{C}{2}$ is rotated anti-clockwise $120^{\circ}$ about $\mathrm{C}{2}-\mathrm{C}_{3}$ bond. The resulting conformer is

(a) partially eclipsed

(b) eclipsed

(c) gauche

(d) staggered

(2004, 1M)

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Answer:

Correct Answer: 10. (a)

Solution:

10.

(gauche)