Introductory Chemistry (5th Edition)

Published by Pearson
ISBN 10: 032191029X
ISBN 13: 978-0-32191-029-5

Chapter 16 - Oxidation and Reduction - Exercises - Cumulative Problems - Page 606: 96

Answer

a. This is not a redox reaction as no electrons are transferred because oxidation states stay the same. b. This is not a redox reaction as no electrons are transferred because oxidation states stay the same. c. The reaction is an oxidation-reduction reaction because here Al is being oxidized and Fe is getting reduced and their oxidation numbers changed from 0 to +3 and from +3 to 0 respectively d. This is not a redox reaction as no electrons are transferred because oxidation states stay the same.

Work Step by Step

a. This is not a redox reaction as no electrons are transferred because oxidation states stay the same. b. This is not a redox reaction as no electrons are transferred because oxidation states stay the same. c. The reaction is an oxidation-reduction reaction because here Al is being oxidized and Fe is getting reduced and their oxidation numbers changed from 0 to +3 and from +3 to 0 respectively. d. This is not a redox reaction as no electrons are transferred because oxidation states stay the same.
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