Which of the following Newman projections does not represent 2-methylhexane?

Name: Which of the following Newman projections does not represent 2-methylhexane?
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Question

Quizplus · Accepted Answer

In Newman projection 3, the CH3 groups are eclipsed with each other, which is a higher energy conformation compared to staggered conformation. This conformation is not preferred in 2-methylhexane, where the CH3 groups should be in staggered conformation. The other Newman projections represent valid conformations of 2-methylhexane.

Which of the Following Newman Projections Does Not Represent 2-Methylhexane