Complex Formation Titration Flashcards
These are formed when metal ions react with a ligand.
complexes or coordination compounds
These are ions or molecules that have a pair of unshared electrons capable of satisfying the coordination number of the cation
ligands
The amount of covalent bonds a cation form is dictated by the?
coordination number
Ligands are ions or molecules that have a pair of unshared electrons capable of satisfying the ________________________ of the cation.
coordination number
typical value of coordination number?
two, four, six
types of ligand
- monodentate
- bidentate
- polydentate
Titrations based on complex formation, sometimes called?
complexometric titrations
examples of monodentate ligand
- water
- ammonia
- fluoride ion
- chloride ion
- cyanide ion
- thiocyanate ion
- hydroiodide ion
- nitrite ion
examples of polydentate ligand
- diethylenetriamine
- triphosphate ion
- ethylenediaminetetraacetate ion
examples of bidentate ligand
- ethylenediamine (en)
- bipyridine
- ortho-phenanthroline
- oxalate ion
- carbonate ion
Formation of [Cu(NH3)4]2+ complex occur in a?
stepwise function
For any equilibrium, the larger the value of the _______________________, the more stable the product.
equilibrium constant
Equilibrium constant for complex formation is called?
formation constant (Kf)
Most ____________________ do not have an easily identifiable end point
unidentate ligands
_________________ ligands provide sharper end point.
polydentate