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NCERT Class XII Chemistry
Chapter - Coordination Compounds
Questions with Solutions

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Question : 31 of 43
Marks: +1, -0
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-}
Solution:  
(c) : Since C2O42−C_2O_4^{2-} is a bidentate ligand, it forms the most stablecomplex.
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