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Potassium trioxochlorochromate
Additional recommended knowledgePotassium trioxochlorochromate[1], Potassium chlorochromate[2], Peligot's salt, or Péligot's salt is a chemical substance named after Eugène-Melchior Péligot[3]. Its formula is KCrO3Cl[4] Peligot's salt is a salt of chlorochromic acid where chlorine has replaced one of chromic acid's HO groups. It can be said that Peligot's salt is an intermediate form between chromic acid and chromyl chloride[3]. It is stable in air but in water it can become hydrolysed. When under high temperature, Peligot's salt parts with its chlorine and produces chromic oxide[3]. Potassium chlorochromate can be prepared from potassium dichromate, hydrochloric acid, and water. The substance may look like long orange-red crystals[3]. Peligot's salt can oxidise the substance benzyl alcohol, a reaction which can be catalysed by acid[5]. The structure of Peligot's salt has been redeterminated in 2002[1]. (18-Crown-6)potassium chlorochromate(18-Crown-6)potassium chlorochromate (1,4,7,10,13,16-hexaoxacyclooctadecane-k6O)potassium chlorochromate) or CrClO3 is a crystal structure that contains a K+ cation[6]. References
Categories: Oxidizing agents | Chromates |
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Potassium_trioxochlorochromate". A list of authors is available in Wikipedia. |