rhodizonic acid
noun
rho·di·zon·ic acid
| \ ¦rōdə¦zänik-\
Definition of rhodizonic acid
: a cyclic acid C6H2O6 known in an unstable colored enediol form and a colorless more stable tautomeric form but obtained usually in the form of a colored salt (as the red disodium salt by passing carbon monoxide into a solution of sodium in liquid ammonia)
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