NEET Chemistry Coordination Compounds – Ligands, Nomenclature & Bonding

Coordination Compounds are compounds in which a central metal atom or ion is surrounded by molecules or ions called ligands. These compounds play an important role in inorganic chemistry, biological systems, metallurgy, and industrial processes.

This chapter is a high-weightage topic in NEET Chemistry and frequently appears in conceptual and direct questions.

What are Coordination Compounds?

A coordination compound consists of a central metal ion bonded to one or more ligands through coordinate covalent bonds. These compounds often exhibit unique colors, magnetic properties, and chemical behavior.

Important Concepts

Ligands

Ligands are atoms, ions, or molecules that donate electron pairs to the central metal atom or ion to form coordination bonds.

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Coordination Number

The coordination number is the number of donor atoms directly attached to the central metal ion.

Werner’s Theory

Werner’s Coordination Theory explains the structure and bonding of coordination compounds and forms the basis of modern coordination chemistry.

Nomenclature

Coordination compounds are named according to specific IUPAC rules, which are important for NEET examinations.

Isomerism

Coordination compounds can exhibit different types of isomerism due to variations in ligand arrangement and bonding.

Applications of Coordination Compounds

Hemoglobin and chlorophyll.
Industrial catalysts.
Extraction and purification of metals.
Medicinal chemistry.
Analytical chemistry.

Importance for NEET

Coordination Compounds is one of the most important chapters in Inorganic Chemistry for NEET. Questions are commonly asked on ligands, coordination number, nomenclature, Werner's theory, bonding, and isomerism. A strong understanding of this chapter helps students score well in NEET Chemistry.

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