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  2. Copper (II) chloride - Wikipedia

    en.wikipedia.org/wiki/Copper(II)_chloride

    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]

  3. Copper(I) chloride - Wikipedia

    en.wikipedia.org/wiki/Copper(I)_chloride

    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).

  4. List of copper salts - Wikipedia

    en.wikipedia.org/wiki/List_of_copper_salts

    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).

  5. Copper chloride - Wikipedia

    en.wikipedia.org/wiki/Copper_chloride

    Copper chloride may refer to: Copper(I) chloride (cuprous chloride), CuCl, mineral name nantokite; Copper(II) chloride (cupric chloride), CuCl 2, mineral name ...

  6. Copper compounds - Wikipedia

    en.wikipedia.org/wiki/Copper_compounds

    A sample of copper(I) oxide. 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. [2]

  7. Flame test - Wikipedia

    en.wikipedia.org/wiki/Flame_test

    The flame test carried out on a copper halide. The characteristic bluish-green color of the flame is due to the copper. A flame test is relatively quick test for the presence of some elements in a sample. The technique is archaic and of questionable reliability, but once was a component of qualitative inorganic analysis.

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  9. Color of chemicals - Wikipedia

    en.wikipedia.org/wiki/Color_of_chemicals

    Copper(II) sulfate anhydrate: CuSO 4: white Copper(II) sulfate pentahydrate: CuSO 4 ·5H 2 O blue Copper(II) benzoate: Cu(C 7 H 5 O 2) 2: blue Cobalt(II) chloride: CoCl 2: dep blue Cobalt(II) chloride hexahydrate: CoCl 2 ·6H 2 O deep magenta Manganese(II) chloride tetrahydrate: MnCl 2 ·4H 2 O pink Copper(II) chloride dihydrate: CuCl 2 ·2H 2 ...