General Chemistry 10th Edition

Published by Cengage Learning
ISBN 10: 1-28505-137-8
ISBN 13: 978-1-28505-137-6

Chapter 10 - Molecular Geometry and Chemical Bonding Theory - Exercises - Page 408: 10.8

Answer

Please see the work below.

Work Step by Step

We know that the compounds exist as separate isomers with different properties. One end of the molecule would have to be rotated to the other end. The breaking of $\pi$ bond will require large energy.
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