Germanium monoxide, GeO, is a chemical compound of germanium and oxygen. This can be prepared as a yellow sublimate at 1000 ° C by reacting GeO2 with Germanium in metallic form. The yellow sublimate turns brown when heated at 650 ° C. GeO is not correctly characterized, it is amphoteric dissolving in acids to form germanium (II) salts and in alkaline to form "trihydroxogermanatos" containing Ge (OH) 3 ion .
Chemistry The germanium oxide decomposes in Ge and GeO2.
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