- An example of a multidentate ligand is EDTA, the EDTA ion forms all 6 coordinate bonds. EDTA has a 4- charge.
Precipitation Reactions:
Copper Suplhate solution: (Blue solution to blue precipitate)
Cu 2+ + 2OH- --------> Cu(OH)2
Cobalt (II) solution: (Pink solution to blue precipitate)
Co 2+ + 2OH- --------> Co(OH)2
Iron (II) sulphate solution: (Pale green solution to green precipitate)
Fe 2+ + 2OH- -------> Fe(OH)2
Iron (III) sulphate solution: (Brown/Orange solution to brown-orange precipitate)
Fe 3+ + 3OH- ----------> Fe(OH)3
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