noun.
any salt of dichromic acid; in solution the orange dichromate anion (Cr2O72-) is in equilibrium with the yellowchromateanion (CrO42-), the relative amount of each iondepending on the pH; they are both very powerfuloxidizing agents
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noun.
a salt of the hypothetical dichromic acid
Word Usage
"She went online and ordered potassium dichromate, a corrosive chemical than can destroy human tissue."