Organic Chemistry As a Second Language, 3e: First Semester Topics

Published by John Wiley & Sons
ISBN 10: 111801040X
ISBN 13: 978-1-11801-040-2

Chapter 1 - Bond-Line Drawings - 1.6 Finding Lone Pairs That Are Not Drawn - Problems - Page 17: 1.51

Answer

The oxygen in this drawing has 1 lone pair of electrons.
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Work Step by Step

1. Find the amount of electrons that the atom has: An oxygen with a positive formal charge has 5 electrons on the valence shell. 2. Calculate the difference between this number and the number of bonds. 5 electrons - 3 bonds = 2 free electrons 2 free electrons = 1 lone pair
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