Chemical Properties
Chromates react with hydrogen peroxide giving products in which peroxide, O22−, replaces one or more oxygen atoms. In acid solution the unstable blue peroxo complex Chromium(VI) oxide peroxide, CrO(O2)2, is formed; it is an uncharged covalent molecule which may be extracted into ether. Addition of pyridine, results in the formation of the more stable complex CrO(O2)2py.
Read more about this topic: Chromate And Dichromate
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