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The main use of copper(I) chloride is as a precursor to the fungicide copper oxychloride. For this purpose aqueous copper(I) chloride is generated by comproportionation and then air-oxidized: [12] Cu + CuCl 2 → 2 CuCl 4 CuCl + O 2 + 2 H 2 O → Cu 3 Cl 2 (OH) 4 + CuCl 2. Copper(I) chloride catalyzes a variety of organic reactions, as
[12] [13] Copper(II) chloride reacts with several metals to produce copper metal or copper(I) chloride (CuCl) with oxidation of the other metal. To convert copper(II) chloride to copper(I) chloride, it can be convenient to reduce an aqueous solution with sulfur dioxide as the reductant: [8] 2 CuCl 2 + SO 2 + 2 H 2 O → 2 CuCl + 2 HCl + H 2 SO 4
Work by Hosokawa and coworkers [21] yielded a crystallized product containing copper chloride, indicating it may have a non-innocent role in olefin oxidation. Finally, an ab initio study by Comas-Vives, et al. [22] involving no copper co-catalyst found anti-addition was the preferred pathway. This pathway was later confirmed by copper-free ...
Organocopper compounds are diverse in structure and reactivity, but almost all are based on copper with an oxidation state of +1, sometimes denoted Cu(I) or Cu +.With 10 electrons in its valence shell, the bonding behavior of Cu(I) is similar to Ni(0), but owing to its higher oxidation state, it engages in less pi-backbonding.
However the oxidation rate of the metals also increases with temperature. At high temperatures, copper oxide reacts with hydrogen chloride to water-soluble and mechanically weak copper chloride, and with rosin to salts of copper and abietic acid which is soluble in molten rosin.
Copper is a chemical element with the symbol Cu (from Latin: cuprum) and the atomic number of 29. It is easily recognisable, due to its distinct red-orange color.Copper also has a range of different organic and inorganic salts, having varying oxidation states ranging from (0,I) to (III).
Copper forms a rich variety of compounds, usually with oxidation states +1 and +2, which are often called cuprous and cupric, respectively. [1] Copper compounds , whether organic complexes or organometallics , promote or catalyse numerous chemical and biological processes.
Bronze disease is the chloride corrosion of cuprous (copper-based) artifacts. It was originally thought to be caused by bacteria. [1] It is contagious in that the chlorides which cause it can spread the condition if they are brought into contact with another cuprous object.