Formula CrO Molar mass 67.996 g/mol | Melting point 300 °C Appearance black | |
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Chromium(II) oxide (CrO) is an inorganic compound composed of chromium and oxygen. It is a black powder that crystallises in the rock salt structure. Hypophosphites may reduce chromium(III) oxide to chromium(II) oxide:
H3PO2 + 2 Cr2O3 → 4 CrO + H3PO4
It is readily oxidized by the atmosphere.
References
Chromium(II) oxide Wikipedia(Text) CC BY-SA