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Coordination Polyhedron, Oxidation Number of Central Atom Video Lecture - NEET

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FAQs on Coordination Polyhedron, Oxidation Number of Central Atom Video Lecture - NEET

1. What is a coordination polyhedron?
Ans. A coordination polyhedron refers to the three-dimensional arrangement of ligands around a central metal ion in a coordination compound. It represents the geometry of the compound and is determined by the number and type of ligands attached to the central atom.
2. How is the coordination number of a central atom determined in a coordination polyhedron?
Ans. The coordination number of a central atom in a coordination polyhedron is determined by counting the number of ligands attached to it. Each ligand contributes one coordinate bond, and the sum of these bonds gives the coordination number of the central atom.
3. What is the significance of the oxidation number of a central atom in a coordination polyhedron?
Ans. The oxidation number of a central atom in a coordination polyhedron indicates the charge that the central atom would have if all the ligands were removed along with the associated electron pairs. It helps in identifying the oxidation state of the central atom, which is important in understanding the reactivity and properties of the coordination compound.
4. How does the coordination polyhedron affect the properties of a coordination compound?
Ans. The coordination polyhedron affects the properties of a coordination compound by influencing factors such as the geometry, stability, and reactivity of the compound. Different coordination polyhedra can result in different electronic and steric environments around the central atom, leading to variations in properties such as color, magnetic behavior, and chemical reactivity.
5. Can the coordination polyhedron change during a chemical reaction?
Ans. Yes, the coordination polyhedron can change during a chemical reaction. It is possible for ligands to be exchanged or added, resulting in a different arrangement of ligands around the central atom. This change in the coordination polyhedron can have a significant impact on the overall properties and behavior of the coordination compound.
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