Chemistry 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078021510
ISBN 13: 978-0-07802-151-0

Chapter 24 - Organic Chemistry - Questions & Problems - Page 1051: 24.18

Answer

Cyclobutadiene would be an unstable molecule

Work Step by Step

Cyclobutadiene is not an aromatic compound since it does not follow Huckel's rule, which states an aromatic compound must have 4n+2 pi electrons. Cyclobutadiene has four pi electrons and it would have too much strain, making it unstable.
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