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  Home > JCE Print > Journal of Chemical Education > Issues > 2008  > June  >
Research: Science and Education
Silver(II) Oxide or Silver(I,III) Oxide?
David Tudela
Departamento de Química Inorgánica, Universidad Autónoma de Madrid, 28049 Madrid, Spain
Cover
June 2008
Vol. 85 No. 6
p. 863
Abstract
The often called silver peroxide and silver(II) oxide, AgO or Ag2O2, is actually a mixed oxidation state silver(I,III) oxide. A thermochemical cycle, with lattice energies calculated within the "volume-based" thermodynamic approach, explain why the silver(I,III) oxide is more stable than the hypothetical silver(II) oxide. The coordination geometries of silver and copper in their known oxides correlate with those associated to their electron configurations in coordination compounds. The second ionization energy is higher for Ag than for Cu, which can be related to the small size of 3d orbitals and the resulting high electron repulsion for the first transition series elements.
More Information
*
Citation
Tudela, David. J. Chem. Educ. 2008, 85, 863.
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Keywords
Atomic Properties / Structure; Descriptive Chemistry; Inorganic Chemistry; Ionic Bonding; Physical Chemistry; Problem Solving / Decision Making; Silver; Solid State Chemistry; Thermodynamics; Upper-Division Undergraduate
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History
Created:
Last Updated:
5/5/2008
5/6/2008
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