Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 23 - Transition Metals and Coordination Chemistry - Exercises - Page 1034: 23.38d


Tetraamminediaquairidium(III) nitrate.

Work Step by Step

In $[Ir(NH_{3})_{4}(H_{2}O)_{2}](NO_{3})_{3}$, $[Ir(NH_{3})_{4}(H_{2}O)_{2}]$ is the cation whereas $(NO_{3})_{3}$ is the anion. Cations are named first, then are anions. 2. In this complex, $Ir$ is bonded to two different ligands $(NH_{3})_{4}$ and $(H_{2}O)_{2}$ The ligands are named first then is the metal. Prefixes are added and Ligands are named alphabetically. $(NH_{3})_{4}$ is tetrammine and $(H_{2}O)_{2}$ is diaqua. 3. Ir is Iridium. 4. In order to find the oxidation number on the metal, we add the charges and equal it to the charge on the complex, in this case zero. $(NH_{3})_{4}$ and $(H_{2}O)_{2}$ have no charge and $(NO_{3})_{3}$ is $3\times( -1)$. Thus, $x+3\times(-1)=0$ $x-3=0$ $x=+3$ The name is: Tetraamminediaquairdium(III) nitrate.
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