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Discuss briefly giving an example in each case the role of coordination compounds in: (i) biological systems (iii) analytical chemistry (ii) medicinal chemistry and (iv) extraction/metallurgy of metals.

Discuss briefly giving an example in each case the role of coordination compounds in: (i) biological systems (iii) analytical chemistry (ii) medicinal chemistry and (iv) extraction/metallurgy of metals.

Grade:9

1 Answers

Aarti Gupta
askIITians Faculty 300 Points
6 years ago
Role of coordination compounds in -
1.Biological systems- These compounds are of great impotance in biological systems.Like chlorophyll pigment responsible for photosynthesis,haemoglobin,pigment of blood are the coordination compounds of magnesium and iron respectively.
2-.Analytical chemistry Coordination compounds find many uses in qualitative as well as quantitative chemical analysis.Many of the familiar colour reactions given by metal ions with a no. of ligands as a result of coordination entities.form the basis for their detection and estimation.For ex- EDTA,DMG etc are some reagents.
3.Medicinal chemistry- Chelate therapy is using nowdays in medicinal chemistry.For ex- treatment of problems caused by the presence of metals in toxic proportions in plants/amimal systems.Like excess of Cu and Fe are removed by the chelating ligands D-penicillamine and desferrioxime B via the formation of coordination compounds.
4.Extraction/metallurgy of metals-Metals like Ag and Au make use of complex formation for their extractions.Purification of metals can be acheived through formation and subsequent decomposition of their coordination compounds.For ex- Impure Ni is converted to [Ni(CO)4],which decomposes to give pure Ni.

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