Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 3 Chemical Reactions - 3-8 Oxidation-Reduction Reactioons - Review & Check for Section 3-8: 2

Answer

C

Work Step by Step

1) No change in NOX of any species. 2) Cu and Cl change their NOXs: $Cu:0, Cl_2:0, Cu^{2+}:+2,Cl^-:-1$ 3) No change in NOX of any species. 4) S and I change their NOXs: $I^-2:0,S_2O_3^{2-}, (S):+2,\ I^-:-1,\ S_4O_6^{2-}, (S):+2.5$
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