BRAINCAKEHydration of Metal Ions
Transition metal 2+ ions form octahedral hexaaqua II complexes with water. Transition metal 3+ ions form hexaaqua 3+ ions in water. In both cases water forms six co-ordinate bonds with the central metal ion. Hexaaqua complexes are slightly acidic in water due to their dissociation of water molecules to release H+ ions.
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Key terms in this lesson
- co-ordinate bond
- A covalent bond in which both shared electrons are supplied by one of the two bonding atoms. Also called a dative covalent bond.
More in Redox Reactions
- Redox Titrations
- Heterogenous Catalysts
- Homogenous Catalysts
- Autocatalysis
- Reaction with Ammonia Solution
- Reaction with Sodium Hydroxide
- Reaction with Sodium Carbonate
- Test for Transition Metal Ions
All 21 lessons in Redox Reactions · All OCR A-level Chemistry topics