Chemistry: A Molecular Approach (3rd Edition)

Published by Prentice Hall
ISBN 10: 0321809246
ISBN 13: 978-0-32180-924-7

Chapter 11 - Sections 11.1-11.13 - Exercises - Cumulative Problems: 131

Answer

Cesium chloride has the higher melting point because its coordination number is higher than that of silver iodide

Work Step by Step

In cesium chloride, one anion forms bonds with 8 anions, and vice versa. But in silver iodide, one anion bonds with only 4 cations. So, since the coordination number in cesium chloride is higher, it has a higher melting point than silver iodide
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