The Preparation of Anhydrous Chromium(lll) Chloride and the Pyrolysis of Carbon Tetrachloride
chlwide a t 800eC.'
+
Cr20:, 3 CClr
-
2 CrCI:,
+ 3 COClr
Nitrogen gas is buhhled through carbon tetrachloride, which is carried into a tuhe furnace containing the chromiumIIl1) oxide. When the reaction is amplete, the product is allowed to cod under a flow of nitmgen. Fr