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Chromium(III) oxide

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Chromium(III) oxide

Molecular formula: Cr2O3 CAS# 1308-38-9
Categories: Oxide
Anadonis Green
Chrome green
Chromic oxide pigment
Chromium sesquioxide
Chromium(3+) oxide
Chromium(III) oxide
Dichromium trioxide
Green chromium oxide
Green cinnabar
Green oxide of chromium

Variants of the formula:

Elemental composition
Can't show the diagram.
Symbol Element Atomic weight Number of atoms Mass percent

Reactions in which Chromium(III) oxide is involved

  • 4CrI3 + 3O2 "200^oC"--> 2Cr2O3 + 6I2
  • {M}2O3 + 6H{X} = 2{M}{X}3 + 3H2O , where M = Fe Al Cr La Sc Y; X = F Cl Br I (NO3)
  • 2Al + Cr2O3 -> Al2O3 + 2Cr
  • 4K2Cr2O7 -> 4K2CrO4 + 2Cr2O3 + 3O2
  • Cr2O3 + 2KNO3 -> K2Cr2O7 + 2NO"|^"