Dictionary,Defintion,Meaning,What is Co-ordination isomerism,Copper arsenite,Copper (II) oxide,Copper (I) oxide,Copper,Co-ordination compound

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Home >> Inorganic Chemistry Dictionary >> Co-ordination isomerism, Copper arsenite

Your Ad Here	Coordination compound compound in which at least two elements share a pair of electrons, both electrons being contributed by only one element, belongs to the general class of covalent or non-polar compounds, eg. Hexamine platonic chloride Pt (NH3)6 Cl4 where NH3 are coordinately attached to the platinum. Copper (I) iodide (Cuprous iodide, Cul) a white crystalline powder obtained by adding potassium iodide solution with iodide to copper sulphate solution. It is insoluble in water and not oxidized by air.
Coordination isomerism isomerism in co-ordination compounds in terms of the actual arrangement of the atoms. Coordination number the number of groups or ions surrounding a particular molecule or ion in a crystal or in solution; in complexes, the total number of coordinated and covalently bonded groups surrounding the central atom. For electrons Li-F the maximum co-ordination number for covalent compounds is 4, but 6 co-ordination can occur in ionic compounds. For elements Na-Cl, the maximum co-ordination number is 6.
Coordination rule magnetic sublevels of a multiplet (spectral line) in weak fields are coordinated with the magnetic levels of the component vectors in strong field. Copper a transition metal is found in nature principally as the sulphide. It could be extracted by roasting the ore in a controlled air supply and purified by electrolysis of copper (II) sulphate solution using impure copper as the anode and pure copper as the cathode. Copper is used in electrical wires and in such alloys as brass and bronze. Copper (II) oxide a black hydroscopic powder. It is commercially prepared by heating the mineral mulacbite. It is used in colouring glass Ilas light blue.	Your Ad Here
copper (I) oxide (cuprous oxide, CuO), an insoluble red powder prepared by the heating of copper with copper (II) oxide or the reduction of an alkaline solution of copper (II) sulphate. Copper (I) oxide is easily reduced by hydrogen when heated, it is oxidized to copper (II) oxide when heated in air. It is used in the glass industry. Copper (II) chloride CuCl2 anhydrous CuCl3 is a dark brown solid but hydrated (CuCl2.2H2O) is blue solid. It is used to give green colour to fire works and for removal of Sulphur from petroleum.
Your Ad Here	Copper (II) hydroxide [Cu(OH)2] a blue gelatinous precipitate obtained when sodium or potassium hydroxide is added to a solution of copper sulphate. Its solution with ammonia on acidification can dissolve cellulose. As such it, is used in the preparation of artificial silk. Copper (II) nitrate (cupric nitrate, Cu(NO3)2 a compound prepared by dissolving either excess copper (II) oxide or copper (II) carbonate in dilute nitric acid. On crystallization, deep blue crystals of the trihydrate (Cu(NO3)2.3H2O) are obtained. The crystals are prismatic in shape and are extremely deliquescent. On heating, copper (II) nitrate decomposes to give copper (II) oxide, nitrogen (IV) oxide, and oxygen.

Copper arsenite
CuHAsO3, a toxic, light green powder which is soluble in acids and decomposed at the melting point; used as a pigment and insecticide. Also known as copper orthoarsenite cupric arsenite; Schele’s green

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