What is Chloroauric acid used for?
Chloroauric acid is the precursor used in the purification of gold by electrolysis. Liquid–liquid extraction of chloroauric acid is used for the recovery, concentrating, purification, and analytical determinations of gold.
What is the formula of hydrochloric acid?
HClHydrochloric acid / Formula
Is gold chloride an acid?
AuCl 3 is a lewis acid and readily forms complexes. For example, it reacts with hydrochloric acid to form chloroauric acid ( H[AuCl 4]): HCl + AuCl 3 → H + + [AuCl 4]
What is the name of aucl4?
tetrachloroaurate ion
Tetrachloroaurate ion
| PubChem CID | 27128 |
|---|---|
| Structure | Find Similar Structures |
| Molecular Formula | AuCl4- |
| Synonyms | CHEBI:30056 tetrachloroaurate ion tetrachloroaurate(1-) tetrachloroaurate(III) tetrachloridoaurate(1-) More… |
| Molecular Weight | 338.8 |
What are the chemical properties of gold?
Chemical properties of gold – Health effects of gold – Environmental effects of gold
| Atomic number | 79 |
|---|---|
| Electronegativity ccording to Pauling | 2.4 |
| Density | 19.3 g.cm-3 at 20°C |
| Melting point | 1062 °C |
| Boiling point | 2000 °C |
What are the properties of hydrochloric acid?
Hydrochloric acid, solution is a colorless watery liquid with a sharp, irritating odor.
What is the pH of hydrochloric acid?
Hydrochloric acid is an essential component of gastric acid, which has a normal pH of 1.5 to 3.5.
What color is gold chloride?
Reddish brown
Gold Chloride Properties (Theoretical)
| Compound Formula | AuCl3 |
|---|---|
| Molecular Weight | 232.42 |
| Appearance | Reddish brown to violet crystals or powder |
| Melting Point | 254 °C |
| Boiling Point | N/A |
Why is AuCl4 square planar?
These orbitals can accept a lone pair from each of the chloride ions and form Au-Cl bonds. The bonds point to the corners of a square, forming a square planar molecular geometry.