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Question
Explain homoleptic and heteroleptic complexes.
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Solution
- Homoleptic complexes: The complexes in which metal ion is bound to only one type of ligands are called homoleptic complexes.
e.g. In [Co(NH3)6]3+, only one type of ligand, NH3 surrounds the Co3+ ion. - Heteroleptic complexes: The complexes in which metal ion is surrounded by more than one type of ligands are called heteroleptic complexes.
e.g. In complex [Co(NH3)4Cl2]+, there are two types of ligands, NH3 and Cl attached to Co3+ ion. - Double Salt: Double salts are ionic substances created by combining two distinct salt compounds. In aqueous media, double salts totally dissociate.
eg. FeSO4 (NH4) 2SO4 · 6H2O (Mohr's salt).
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