Tetrabromoauric acid
Tetrabromoauric acid is an inorganic compound with the formula. It is the bromide analog of chloroauric acid. It is generated analogously, by reacting a mixture of hydrobromic and nitric acids with elemental gold. The oxidation state of gold in and anion is +3. The salts of are tetrabromoaurates, containing anions, which have square planar molecular geometry.