The applications coordination compounds are of great importance. These compounds are widely present in the mineral, plant and animal worlds and are known to play many important functions in the area of analytical chemistry, metallurgy, biological function system, industry and medicine. Coordination compounds are metal ions surrounded by ligands. Ligands are either anions or molecules that can donate electrons into the d-orbitals of the metal ion and form a bond. Examples of common ligands are chloride ion, cyanide ion, ammonia, ethylenediamine, and ethylenediaminetetraacetate ion (EDTA). Coordination compounds are complex ions with a metal ion core having ligands bonded to them through coordinate covalent bonds. Five notable areas of application include.
The applications coordination compounds are of great importance. These compounds are widely present in the mineral, plant and animal worlds and are known to play many important functions in the area of analytical chemistry, metallurgy, biological function system, industry and medicine. A compound containing single or additional organize bonds, which is a connection among a couple of electrons in which together electrons are donated by one of the atoms.
Importance and Applications of Coordination Compounds:![]()
Importance and applications of coordination compounds find use in many qualitative and quantitative chemical analyses. The familiar color reactions given by metal ions with number of ligands. Similarly purification of metal can be achieved through formation and sub sequence decomposition of their coordination compounds.
Characteristics of coordination compounds. An example of an ionic coordination complex is the hydrated ion of nickel, (Ni), hexaaquanickel(2+) ion, Ni(H 2 O) 6 2+, the structure of which is shown below. In this structure, the symbols and lines are used as above, and the brackets and the “two plus”.
Inflexibility of water is predictable by simple titration with Na2EDTA.the Ca2+ and Mg2+ ions form stable complex with EDTA. The selective estimation of these ions can be done due to difference in the stability constants of calcium and magnesium complexes. Some important extraction processes of metals like those of silver and gold, make use of complex formation.
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Importance and applications of coordination compounds are of great importance in biological system. The pigment responsible for photosynthesis chlorophyll is a coordinated compound of magnesium. Haemoglobin, the red pigment of blood which acts as oxygen carrier is a coordination compound of iron. Coordination compounds are used as catalysts for many industrial processes.
Applications of articles can be electroplating with the silver and gold much more smoothly and evenly from the solution of the complexes. In black and white photography, the developed film is fixed by washing with hypo solution which dissolves the unrecompensed AgBr to from a complex ion [Ag9S2O3)2]3-
There is growing interest in the user of chelate therapy in medicinal chemistry. An example is the treatment of problem caused by the presence of metal in toxic proportion in plant and animal. Thus, excess of copper and iron are removed by chelating ligands D-penicillamine and desferrioxime B via the formation of the coordination compounds. EDTA is use in the conduct of guide poisoning. Some coordination compounds of platinum effectively inhibit the growth of tumours.
So, why are we discussing so much about coordination compounds? Is it just in theory or does it have any applications? Well, you would be surprised to know how important these coordination compounds are in real life. In this chapter, we will look at the importance and applications of coordination compounds. We will look at the practical applications of these important compounds.
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Coordination compounds are a class of compounds that we know as the complex compounds. This is because of the chemistry that involves these compounds. We have known enough about these compounds already, including their structures and isomers etc.
We know that transition metals have this special property of forming coordination complexes. This is due to the high charge to mass ratio and also the availability of d-orbitals. The advances in coordination chemistry provide various complex compounds that we use in various industries. Coordination compounds are a common application in various industries. These include mining & metallurgy, medical sciences etc. to name a few.
Examples and Types
Kompozer templates free download. Many of the biological compounds are coordination complexes. You surely know of haemoglobin, chlorophyll, and vitamin B-12. Don’t you? What do you think these are? These are nothing but complex compounds.
There are numerous other coordination compounds that play an important role in biological processes. Our body produces and consumes many complex compounds during these physiological processes.
Photosynthesis in plants requires chlorophyll for the process. This chlorophyll is a magnesium-porphyrin complex. Many enzymes that catalyse the life processes within our body are coordination complexes. One such example is that of carboxypeptidase. It is a coordination compound acting as an enzyme. It is necessary for catalysing the process of digestion.
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Q: Why do we use coordination compounds to separate metals in extractive metallurgy?
Application Of Coordination Compounds In Biological Reaction
Ans: We generally use these compounds in the separation of metals during the process of extractive metallurgy. This is because these complex ions possess this specific property of selective precipitation and solubility.
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