Germanium monoxide

Germanium monoxide (chemical formula GeO) is a chemical compound of germanium and oxygen. It can be prepared as a yellow sublimate at 1000 °C by reacting GeO2 with Ge metal. The yellow sublimate turns brown on heating at 650 °C. GeO is not well characterised. It is amphoteric dissolving in acids to form germanium(II) salts and in alkali to form "trihydroxogermanates" or "germanites" containing the Ge(OH)3− ion.

Germanium monoxide
Names
IUPAC name
germanium(II) oxide
Other names
germanous oxide
Identifiers
3D model (JSmol)
ECHA InfoCard 100.039.914
  • InChI=1S/GeO/c1-2
    Key: PVADDRMAFCOOPC-UHFFFAOYSA-N
  • [Ge]=O
Properties
GeO
Molar mass 88.6394 g/mol
−28.8·10−6 cm3/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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