Chemistry: The Molecular Science (5th Edition)

by Moore, John W.; Stanitski, Conrad L.

Published by Cengage Learning

ISBN 10: 1285199049

ISBN 13: 978-1-28519-904-7

Chapter 3 - Chemical Reactions - Conceptual Exercise 3.12 - Oxidation-Reduction Reactions - Page 117: b

Answer

A redox reaction

Work Step by Step

Oxidizing agent: Oxygen Reducing agent: Chromium Cr is oxidized by Oxygen to $Cr^{3+}$ ions and oxygen in reduced by Cr to form $O^{2-}$ ions.

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