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Nomenclature of Coordination Compounds Video Lecture - NEET

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FAQs on Nomenclature of Coordination Compounds Video Lecture - NEET

1. What is the nomenclature of coordination compounds?
Ans. The nomenclature of coordination compounds refers to the systematic way of naming these compounds based on their composition and structure. It involves identifying and naming the central metal ion, ligands, and any additional ions present in the compound.
2. How are coordination compounds named in the IUPAC system?
Ans. In the IUPAC system, coordination compounds are named by considering the following rules: - The cation is named first, followed by the anion. - The ligands are named before the metal ion. - The ligands are named in alphabetical order, considering the charge of the ligand when necessary. - The oxidation state of the metal ion is indicated by a Roman numeral in parentheses after the metal's name. - For ligands with multiple atoms, prefixes like di-, tri-, etc., are used to indicate the number of ligands present.
3. What is the purpose of nomenclature in coordination compounds?
Ans. The purpose of nomenclature in coordination compounds is to provide a standardized and systematic way of naming these compounds. This helps in clearly identifying and communicating the composition and structure of coordination compounds. It also allows chemists to compare and contrast different compounds, facilitating research, and understanding of their properties and reactions.
4. How do you name coordination compounds with complex ligands?
Ans. When naming coordination compounds with complex ligands, the following rules are followed: - The ligands are named according to their chemical name or using prefixes like chloro-, bromo-, etc., for simple ligands. - For complex ligands, the ligand name is written within parentheses. - If the ligand already has a prefix in its name, such as ethylenediamine, then the prefixes di-, tri-, etc., are not used. - The ligands are named in alphabetical order based on their names, not the prefixes.
5. Can you provide an example of naming a coordination compound using the IUPAC system?
Ans. Sure! Let's consider the coordination compound [Co(NH3)4Cl2]Cl2. The name of this compound using the IUPAC system would be Tetraamminedichlorocobalt(III) chloride. In this compound, the central metal ion is cobalt, and it is coordinated to four ammine (NH3) ligands and two chloride (Cl) ligands. The Roman numeral III indicates the +3 oxidation state of cobalt, and the compound is a chloride salt.
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