Chemistry of Chromium

2023年6月30日 — The oxidation of chromium(III) to chromium(VI). An excess of sodium hydroxide solution is added to a solution of the hexaaquachromium(III) ions ...

Oxidation with chromium(VI) complexes involves the conversion of alcohols to carbonyl compounds or more highly oxidized products through the action of molecular ...

Common oxidation states ; +1 (d5), K · [Cr(CN) · NO] ; +2 (d4), CrCl ; +3 (d3), CrCl ; +4 (d2), K · CrF

The most stable oxidation state of chromium in compounds is +3. Chromium displays amphoteric properties (the compound can act as a base or acid depending on ...

由 SI Shupack 著作 · 1991 · 被引用 152 次 — Chromium +6 as the chromate ion is strongly oxidizing at low pHs and less so in basic solution. The chromate ion does form some polyacids and polyanions. These ...

由 J Liang 著作 · 2021 · 被引用 181 次 — In the surface layer of soils, Cr(III) is primarily oxidized by the photochemical pathway. This involves two types: •OH oxidation, in which •OH ...

由 O Cortazar-Martínez 著作 · 2021 · 被引用 25 次 — Metallic Cr exposed to air does not oxide through the formation of an oxide layer. •. Cr0, Cr3+ & Cr6+ coexist throughout the entire XPS ...