Chemistry: The Molecular Nature of Matter and Change 7th Edition

Published by McGraw-Hill Education
ISBN 10: 007351117X
ISBN 13: 978-0-07351-117-7

Chapter 21 - Problems - Page 972: 21.108

Answer

See explanation below.

Work Step by Step

When the brines are evaporated to dryness and then melted and electrolyzed. Iodides and bromides are highly present in brines. These brines act as good sources of iodides and bromides. The oxidation potential of iodide is more positive than bromide. Hence iodine is formed first.
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