Organic Chemistry (8th Edition)

Published by Pearson
ISBN 10: 0321768418
ISBN 13: 978-0-32176-841-4

Chapter 1 - Introduction and Review - Study Problems - Page 38: 1-40 b

Answer

The third resonance structure is the major contributor.

Work Step by Step

The third resonance structure is the major contributor because it has full octets and no charge separation.
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