Chemistry: The Molecular Science (5th Edition)

Published by Cengage Learning
ISBN 10: 1285199049
ISBN 13: 978-1-28519-904-7

Chapter 20 - Chemistry of Selected Transition Elements and Coordination Compounds - Questions for Review and Thought - Topical Questions - Page 893c: 61c



Work Step by Step

Name for $NH_{3}$ ligand is ammine and that for CN is cyano. Ligands are named in alphabetical order. We prefix 'di' to indicate that the number of ligands is two. As the complex ion is neutral, the metal is named same as the element, that is, platinum. Oxidation state of Pt= Charge on complex-(2$\times$charge of CN)= 0-(2$\times$-1)= 2. Oxidation state is indicated by Roman numeral in parenthesis.
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