Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 3 - Chemical Reactions - Questions for Review and Thought - Topical Questions - Page 148d: 51e

Answer

+6

Work Step by Step

Recall that the sum of all of the oxidation numbers must be 0 in this molecule. We know that the oxidation number of oxygen is -2. We know that the oxidation number of potassium is +1. Thus, the oxidation number of sulfur must be +6.
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