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Sodium germanate is an inorganic compound with the formula Na2GeO3. It is a colorless solid. Sodium germanate is primarily used for the synthesis of other germanium compounds.
it is structurally analogous to
Preparation and reactions
Sodium germanate can be prepared by the fusion ofgermanium oxide Germanium oxide may refer to:
*Germanium dioxide, GeO2, the best known and most commonly encountered oxide of germanium containing germanium(IV)
*Germanium monoxide
Germanium monoxide, GeO, is a chemical compound of germanium and oxygen
Oxy ...
with sodium hydroxide at high temperatures:
:2NaOH + GeO2 → Na2GeO3 + H2O
An intermediate in this reaction is the protonated derivative NaHGeO3, which is a water-soluble salt.
Structure
it is structurally analogous to sodium metasilicate
Sodium metasilicate is the chemical substance with formula , which is the main component of commercial sodium silicate solutions. It is an ionic compound consisting of sodium cations and the polymeric metasilicate anions €“–sub>''n''. It is ...
, Na2SiO3, consisting of polymeric GeO32− anions made up of vertex sharing tetrahedra.C. C. Addison, Inorganic Chemistry of the Main-Group Elements, vol 1, 1973, The chemical Society,
See also
*Germanate
In chemistry, germanate is a compound containing an oxyanion of germanium. In the naming of inorganic compounds it is a suffix that indicates a polyatomic anion with a central germanium atom, for example potassium hexafluorogermanate, K2GeF6.Egon ...
References
Germanates Sodium compounds {{inorganic-compound-stub