Organic Chemistry (8th Edition)

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

Chapter 1 - Introduction and Review - Problems: Problem 1-2 j

Answer

Boron has three electrons around it. There three electrons are shared by the there Fluorines. The octet of B is incomplete. This is an exceptional case of octet rule.
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Work Step by Step

The Boron has three electrons, which are shared by the F. The octet of B is incomplete but the octet of F is complete with 6 electrons around it and 2 electrons shared.
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