Preparation and Structure
The original preparation, which was discovered by accident, involves the reaction of pyridine with chromic acid and concentrated hydrochloric acid:
- C5H5N + HCl + CrO3 →
Alternative synthesis have been developed.
The compounds consists of the cation pyridinium and the tetrahedral chlorochromate anion (CrO3Cl-). Related salts are also known, such as +−, 1-butylpyridinium chlorochromate
Read more about this topic: Pyridinium Chlorochromate
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