Question:
Amongst the following, the most stable complex is
(i) [Fe(H2O)6]3+
(ii) [Fe(NH3)6]3+
(iii) [Fe(C2O4)3]3−
(iv) [FeCl6]3−
Solution:
We know that the stability of a complex increases by chelation. Therefore, the most stable complex is [Fe(C2O4)3]3−.
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