Organic Chemistry (8th Edition)

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

Chapter 14 - Ethers, Epoxides, and Thioethers - Problems: Problem 14-2


The structure of the resulting aluminum chloride etherate complex can be seen in the picture.

Work Step by Step

Oxygen here is Lewis base (electron pair donor) and aluminum is Lewis acid (electron pair acceptor). Oxygen shares its electron pair with aluminum and gets a positive formal charge due to three bonds. And since aluminum has 4 bonds it has a negative formal charge.
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