Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 20 - Oxidation-Reduction Reactions - Standardized Test Prep - Page 725: 1

Answer

A

Work Step by Step

Table 20.1 is an excellent review of the oxidation and reduction processes. All of the choices describe oxidation except (a) , because oxidation is an increase in oxidation number. Oxidation is the LOSS of electrons, which causes excess positive charges because of excess protons.
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