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Copper(II) chloride is used as a catalyst in a variety of processes that produce chlorine by oxychlorination. The Deacon process takes place at about 400 to 450 °C in the presence of a copper chloride: [8] 4 HCl + O 2 → 2 Cl 2 + 2 H 2 O. Copper(II) chloride catalyzes the chlorination in the production of vinyl chloride and dichloromethane. [8]
The color of chemicals is a physical property of chemicals that in most cases ... Copper(II) sulfate pentahydrate: CuSO 4 ·5H 2 O blue ... Copper(II) chloride dihydrate:
IR absorption spectrum of copper(I) chloride. Copper(I) chloride, commonly called cuprous chloride, is the lower chloride of copper, with the formula CuCl. The substance is a white solid sparingly soluble in water, but very soluble in concentrated hydrochloric acid. Impure samples appear green due to the presence of copper(II) chloride (CuCl 2).
Copper hydride is an inorganic compound with the chemical formula CuH n where n ~ 0.95. [3] It is a red solid, rarely isolated as a pure composition, that decomposes to the elements. [4] Copper hydride is mainly produced as a reducing agent in organic synthesis and as a precursor to various catalysts. [5]
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). These salts (mostly the (II) salts) are often blue to green in color, rather than the orange color copper is known for.
A colorful example is cobalt(II) chloride, which turns from blue to red upon hydration, and can therefore be used as a water indicator.. The notation "hydrated compound⋅n H 2 O", where n is the number of water molecules per formula unit of the salt, is commonly used to show that a salt is hydrated.
Copper(II) sulfate is an inorganic compound with the chemical formula Cu SO 4.It forms hydrates CuSO 4 ·nH 2 O, where n can range from 1 to 7. The pentahydrate (n = 5), a bright blue crystal, is the most commonly encountered hydrate of copper(II) sulfate, [10] while its anhydrous form is white. [11]
Decrespignyite-(Y) is a copper yttrium rare earth carbonate chloride hydrate; [2] With a simple formula of; Cu(Y, REE) 4 (CO 3) 4 (OH) 5 Cl · 2H 2 O [3] Usually found as single pseudohexagonal platelets, often curved, and regularly measuring 10-50μm in size.