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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
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 ...
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.
Calcium hypochlorite is produced on an industrial scale and has good stability. Strontium hypochlorite, Sr(OCl) 2, is not well characterised and its stability has not yet been determined. [citation needed] Upon heating, hypochlorite degrades to a mixture of chloride, oxygen, and chlorates: 2 ClO − → 2 Cl − + O 2 3 ClO − → 2 Cl − ...
For example, the label of a household bleach product may specify "5% sodium hypochlorite by weight." That would mean that 1 kilogram of the product contains 0.05 × 1000 g = 50 g of NaClO. A typical oxidation reaction is the conversion of iodide I − to elemental iodine I 2. The relevant reactions are NaClO + 2 H + + 2 I − → NaCl + H 2 O ...
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