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 23 - Problems: 23.47

Answer

See explanation below.

Work Step by Step

a.II shows +2 oxidation state. As there are 6 water molecules bonded to Ni and each ligand is unidentate, so the coordination number is 6. b.III shows +3 oxidation state.As 3 ethylenediamine molecules are bonded to Cr, but each ethylenediamine molecule contains two donor N atoms (bidentate). So, the coordination number is 6. c.II shows +2 oxidation state.As there are 6 unidentate cyano molecules bonded to Mn, so the coordination number is 6
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