Organic Chemistry (8th Edition)

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

Chapter 1 - Introduction and Review - Problems: Problem 1-6 h

Answer

Sodium has a formal charge of +1 and Boron has a formal charge of -1. Both charges cancel each other and give a overall charge of 0.
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Work Step by Step

Formal Charge (FC) = [number of valence electrons] - [number of non-bonding electrons] - 1/2 [shared electrons] FC (Boron) = 3-0-4 = -1 FC (carbon) = 4-0-4 = 0 FC (nitrogen) = 5-2-3 = 0 FC (sodium) = 1-0-0 = +1
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