Citation: Jiaxuan Wu, Hantao Wen, Simin Wu, Yongtong Liang, Shaolong Tie, Yue Li. The Amazing Color of Chromium: Reaction of Cr(III) with Hydrogen Peroxide[J]. University Chemistry, ;2021, 36(6): 200608. doi: 10.3866/PKU.DXHX202006084 shu

The Amazing Color of Chromium: Reaction of Cr(III) with Hydrogen Peroxide

College of Chemistry, South China Normal University, Guangzhou 510006, China

Received Date: 29 June 2020

Chromium and its compounds possess very diverse color and exhibit useful physical and chemical properties, which is introduced in inorganic chemistry. In this paper, the reaction between chromium (III) and hydrogen peroxide is mainly discussed. With the change of pH, reactant concentration and temperature, the reaction mechanism will be different, which is mainly shown by the color alteration of the solution. The reaction between chromium (III) and hydrogen peroxide is very interesting, because of its complex mechanism and rich colors, which could help students learn and understand the change of different valence states of chromium. In addition, the related practical application and interesting experiments are introduced.
- Trivalent chromium,
- Hydrogen peroxide,
- Fun experiments
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沈阳化工大学材料科学与工程学院沈阳 110142