Aqua regia is not a single compound but a freshly prepared mixture of two strong concentrated acids: : 3 parts. Nitric Acid ( HNO3cap H cap N cap O sub 3 ) : 1 part.
: Initially colorless, the mixture quickly turns a vibrant yellow, orange, or red within seconds as the reaction proceeds. aqua regia
) . These components work together in a two-step process: nitric acid acts as a powerful oxidant to produce tiny amounts of gold ions, while the hydrochloric acid provides chloride ions that react with those gold ions to form stable coordination complexes, effectively pulling the gold into the solution. Physical Properties and Safety Aqua regia is not a single compound but
While it is famous for its history in alchemy, modern industry uses aqua regia for several critical processes: aqua regia