Organic Chemistry (8th Edition)

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

Chapter 2 - Structure and Properties of Organic Molecules - Problems: Problem 2-14 e

Answer

1) The structure switches between the two structures as it shows resonance. 2) The resonance structure lowers the molecular dipole moment. 3) The compound has a small dipole moment.
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Work Step by Step

1) First the structure is drawn with the central oxygen having one double and one single bond. Since, the molecule became unstable, it exists as a resonance structure. 2) Without resonance the dipole moment would be towards the partially negative oxygen because it has more lone pairs. With resonance the electrons are delocalized which lowers the dipole moment. 3) The compound has a small dipole moment.
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