Cobalt(2+) is stable in aqeous solution but in the presence of complexing reagent it is strongly oxidizing. Why?

Asked by Areeba Ahmad | 25th Feb, 2015, 11:43: PM

Expert Answer:

Hi,
 
Co (III) has greater tendency to form coordination complexes than Co (II). Thus, in the presence of ligands, Co (II) changes to Co (III), that means easily oxidised.
 
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Answered by Prachi Sawant | 26th Feb, 2015, 10:34: AM