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Gold(III) chloride, traditionally called auric chloride, is an inorganic compound of gold and chlorine with the molecular formula Au 2 Cl 6. The "III" in the name indicates that the gold has an oxidation state of +3, typical for many gold compounds.
Barium is an alkaline earth and always corms a cation of charge of [+2], while chlorine is a halogen and always form the chloride ion of [-1]. For barium chloride to be neutral you would need two chlorides for every barium, and so the formula is BaCl 2 .
AuCl 3 is a Lewis acid which readily forms complexes. For example with hydrochloric acid, chlorauric acid (HAuCl 4) is formed: HCl ( aq) + AuCl 3 (aq) → H + AuCl 4− (aq) Ionic chlorides such as KCl will also form the AuCl 4− ion with AuCl 3.
Gold(I) chloride is a compound of gold and chlorine with the chemical formula AuCl.
Gold compounds - Wikipedia. Gold (III) chloride solution in water. Gold compounds are compounds by the element gold (Au). Although gold is the most noble of the noble metals, [1][2] it still forms many diverse compounds. The oxidation state of gold in its compounds ranges from −1 to +5, but Au (I) and Au (III) dominate its chemistry.
氯化亚金 [Chinese] Database IDs. ChemSpider record containing structure, synonyms, properties, vendors and database links for Gold (I) chloride, 10294-29-8.
The following website provides practice with naming chemical compounds and writing chemical formulas. You can choose binary, polyatomic, and variable charge ionic compounds, as well as molecular compounds.
