Cromito (composto) Referências | Menu de navegação«Structures of HCrO 2 and DCrO...


Compostos de crômioÂnions heteronucleares


inorgânicofórmula química




Cromito, em química, é um composto iônico inorgânico de fórmula química CrO−
2. Não existe sozinho na natureza, mas somente com contraíons catiônicos.[1] O cromito mais conhecido é o mineral homônimo:  FeCr2O4 .


Compostos de cromito, como o  FeCr2O4 , podem ser considerados como um derivados do, hipotético, ácido cromoso, HCrO2.[2]


Cromitos são formados pela reação do óxido de cromo(III) com óxidos de matais:[3]


Cr2O3 + MgO → MgCr2O4


Referências |





  1. ↑ Greenwood, Norman N.; Earnshaw, Alan (1997). Chemistry of the Elements (2° edição). Butterworth-Heinemann. ISBN 0080379419.


  2. ↑ Hamilton, W. C.; J. A. (1 de janeiro de 1963). «Structures of HCrO 2 and DCrO 2». Acta Crystallographica. 16 (12). doi:10.1107/s0365110x63003182  A referência emprega parâmetros obsoletos |coautores= (ajuda)


  3. ↑ Kunnmann, W. (1973). «Magnesium Chromite: (Magnesium Chromium (III) Oxide)». Inorganic Syntheses. 14: 134. doi:10.1002/9780470132456.ch26 









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