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Gold(III) chloride was first prepared in 1666 by Robert Boyle by the reaction of metallic gold and chlorine gas at 180 °C: [1] [6] [7] 2 Au + 3 Cl 2 → Au 2 Cl 6. This method is the most common method of preparing gold(III) chloride. It can also be prepared by reacting gold powder with iodine monochloride: [5] 2 Au + 6 ICl → 2 AuCl 3 + 3 I 2
A purer, more stable form of calcium hypochlorite is called HTH or high test hypochlorite. It is also available as bleaching tablets that contain calcium hypochlorite and other ingredients to prevent the tablets from crumbling. A supposedly more stable mixture of calcium hypochlorite and quicklime (calcium oxide) is known as "tropical bleach". [22]
Gold(I,III) chloride (gold dichloride, tetragold octachloride), Au 4 Cl 8 Gold(III) chloride (gold trichloride, digold hexachloride), Au 2 Cl 6 Chloroauric acid , HAuCl 4 (brown gold chloride); or its sodium salt, sodium tetrachloroaurate , NaAuCl 4 (gold chloride, sodium gold chloride, yellow gold chloride), used as a histological stain
Single crystals of gold(I,III) chloride are triclinic with a P 1 space group and consist of discrete Au 4 Cl 8 molecules with idealised C 2h symmetry. [1] Within this the Au(I) centers are linearly coordinated with a Cl-Au-Cl bond angle of 175.0° (close to the ideal value of 180°) and an average bond length of 2.30 Å.
Au(III) (referred to as the auric) is a common oxidation state, and is illustrated by gold(III) chloride, Au 2 Cl 6. The gold atom centers in Au(III) complexes, like other d 8 compounds, are typically square planar, with chemical bonds that have both covalent and ionic character. Gold(I,III) chloride is also known, an example of a mixed-valence ...
In chemistry, hypochlorite, or chloroxide is an anion with the chemical formula ClO −.It combines with a number of cations to form hypochlorite salts. Common examples include sodium hypochlorite (household bleach) and calcium hypochlorite (a component of bleaching powder, swimming pool "chlorine"). [1]