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Provide an example of the thermodynamic stability of complexes with different types of ligands.

The thermodynamic stability of complexes varies with different types of ligands.

The thermodynamic stability of a complex is determined by the strength of the bond between the metal ion and the ligand. Ligands can be classified into different types based on their binding strength. For example, strong ligands such as cyanide (CN-) and carbon monoxide (CO) form stable complexes with metal ions due to their ability to donate electrons to the metal ion. On the other hand, weak ligands such as water (H2O) and ammonia (NH3) form less stable complexes due to their weaker ability to donate electrons.

The strength of the bond between the metal ion and the ligand can also be affected by the size and charge of the ligand. Larger ligands may have a weaker bond due to steric hindrance, while ligands with a higher charge may form stronger bonds due to electrostatic attraction.

The thermodynamic stability of complexes can also be influenced by the presence of other ligands in the complex. For example, the addition of a strong ligand to a complex with a weak ligand can displace the weaker ligand and form a more stable complex.

In summary, the thermodynamic stability of complexes varies with different types of ligands, which can be classified based on their binding strength, size, and charge. The presence of other ligands in the complex can also affect the stability of the complex.

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