Podcast
Questions and Answers
What is the coordination number of an octahedral complex?
What is the coordination number of an octahedral complex?
Which of the following is an example of a chelating ligand?
Which of the following is an example of a chelating ligand?
Which of the following is a common ligand in co-ordination chemistry?
Which of the following is a common ligand in co-ordination chemistry?
Which of the following is an example of a bidentate ligand?
Which of the following is an example of a bidentate ligand?
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What is the geometry of a complex with coordination number 4?
What is the geometry of a complex with coordination number 4?
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Which of the following ligands is classified as a strong field ligand?
Which of the following ligands is classified as a strong field ligand?
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Study Notes
Coordination Chemistry Overview
- An octahedral complex exhibits a coordination number of 6, meaning it has six ligands bonded to the central metal atom.
Chelating Ligands
- Chelating ligands are molecules that can form multiple bonds to a single metal ion, effectively "grabbing" the metal from multiple points.
- Examples of chelating ligands include EDTA and oxalate.
Common Ligands
- A common ligand in coordination chemistry is water (H2O), which is often referred to as a neutral ligand.
- Other common ligands include ammonia (NH3) and chloride (Cl−).
Bidentate Ligands
- Bidentate ligands are those that can attach to a metal at two separate sites, allowing for stable complex formation.
- An example of a bidentate ligand is ethylenediamine (en).
Geometry of Coordination Complexes
- A complex with a coordination number of 4 typically exhibits a geometry of either tetrahedral or square planar.
- The specific geometry depends on various factors, including the nature of the metal and ligands.
Strong Field Ligands
- Strong field ligands are those that create a significant crystal field splitting, promoting low-spin configurations in metal complexes.
- Examples of strong field ligands include CN− (cyanide) and CO (carbon monoxide).
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Description
Test your knowledge of coordination chemistry with these challenging net level questions. Explore topics such as ligand field theory, metal-ligand bonding, and coordination compounds.
