Chromate and dichromate
Chromium(VI) anions / From Wikipedia, the free encyclopedia
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This article is about the salts of the chromium(VI) anion. For other uses, see Chromate. See also for disambiguation of derived terms.
Chromate salts contain the chromate anion, CrO2−
4. Dichromate salts contain the dichromate anion, Cr
2O2−
7. They are oxyanions of chromium in the +6 oxidation state and are moderately strong oxidizing agents. In an aqueous solution, chromate and dichromate ions can be interconvertible.
Quick Facts Names, Identifiers ...
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Names | |||
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Systematic IUPAC name
Chromate and dichromate | |||
Identifiers | |||
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Properties | |||
CrO2− 4 and Cr 2O2− 7 | |||
Molar mass | 115.994 g mol−1 and 215.988 g mol−1 | ||
Conjugate acid | Chromic acid | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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