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FAQs on Coordination Compounds (Advanced) - Practice Sheet Solution, Class 12, Chemistry - JEE

1. What are coordination compounds?
Ans. Coordination compounds are complex molecules that consist of a central metal ion or atom surrounded by ligands. These ligands are usually Lewis bases, which donate a pair of electrons to the metal ion or atom, forming coordinate covalent bonds.
2. What is the significance of coordination compounds in chemistry?
Ans. Coordination compounds play a crucial role in various fields of chemistry. They are used as catalysts in chemical reactions, as drugs in medicine, as pigments in dyes, and in the extraction and purification of metals. Additionally, coordination compounds are studied to understand the bonding and electronic structure of molecules.
3. How are coordination compounds named?
Ans. Coordination compounds are named using a systematic nomenclature system called the IUPAC (International Union of Pure and Applied Chemistry) naming system. In this system, the ligands are named first, followed by the central metal ion or atom, and then the oxidation state of the metal ion, if necessary.
4. What are chelating ligands?
Ans. Chelating ligands are ligands that have multiple donor atoms and can form more than one coordinate covalent bond with a central metal ion or atom. These ligands form stable and highly coordinated complexes known as chelates. Examples of chelating ligands include ethylenediamine, EDTA, and oxalate.
5. What is the coordination number of a complex?
Ans. The coordination number of a complex is the total number of coordinate covalent bonds formed between the central metal ion or atom and the ligands. It represents the number of ligands attached to the central metal ion or atom. The coordination number can vary from 2 to 12, depending on the geometry and electronic configuration of the complex.
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