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 39: 1-40 e

Answer

The last two resonance forms are the major contributors. They are of equal energy as well.

Work Step by Step

The last two resonance forms are the major contributors because they have full octets. They are equal energy also because both have full octets.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.