a-reaction-coordinate-diagram-is-a-plot-of-potential-energy-versus-the-progress-

Question

A reaction coordinate diagram is a plot of potential energy versus the progress of a reaction. Which structure is located at the top of the hill if the given reaction coordinate diagram shows the conversion of conformation A to conformation B?

Reaction coordinate diagram showing energy vs. reaction progress from conformation A to B.

Accepted Answer

Newman projection of conformation A with two ethyl groups and hydrogen atoms.

Answer

Newman projection of conformation B with two propyl groups and hydrogen atoms.

Answer

Newman projection of a staggered conformation with one ethyl and one propyl group.

Answer

Newman projection of a staggered conformation with two ethyl groups.