Organic Chemistry As a Second Language, 3e: First Semester Topics

Published by John Wiley & Sons
ISBN 10: 111801040X
ISBN 13: 978-1-11801-040-2

Chapter 5 - Nomenclature - 5.5 Stereoisomerism - Problems - Page 96: 5.43

Answer

The double bond in this molecule is "cis".

Work Step by Step

1. Identify two groups that are identicals and are connected to one of the carbons with the double bond. - That will be the two ethyl groups. 2. Find if they are "cis" or "trans". Since these ethyls are on the same side of the double bonds, this will be considered a "cis" double bond.
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