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Question

Chemistry Question on Coordination Compounds

Amongst the following, the most stable complex is

A

[Fe(H2O)6]3+[Fe(H_2O)_6]^{3+}

B

[Fe(NH3)6]3+[Fe(NH_3)_6]^{3+}

C

[Fe(C2O4)3]3−[Fe(C_2O_4)_3]^{3-}

D

[FeCl6]3−[FeCl_6]^{3-}

Answer

[Fe(C2O4)3]3−[Fe(C_2O_4)_3]^{3-}

Explanation

Solution

We know that the stability of a complex increases by chelation. Therefore, the most stable complex is[Fe(C2O4)3]3−[Fe(C_2O_4)_3]^{3-}.