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Amongst the following, the most stable c...

Amongst the following, the most stable complex is
(i) `[Fe(H_(2)O)_(6)]^(3+)`
(ii) `[Fe(NH_(3))_(6)]^(3+)`
(iii) `[Fe(C_(2)O_(4))_(3)]^(3-)`
(iv) `[FeCl_(6)]^(3-)`

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(iii) In each of the given complex. Fe is in `+3` state.Since `C_2O_4^(2-)` is didentate chelating ligand, it forms chelate rings and hence is the most stable complex. Hence the correct answer is (iii).
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Amongst the following , the most stable complex is : (a) [Fe(H_(2)O)_(6)]^(3+) (b) [Fe(NH_(3))_(6)]^(3+) (c) [Fe(C_(2)O_(4))_(3)]^(3-) (d) [FeCl_(6)]^(3-) .

Among the following, the most stable complex is (i). [Fe(H_2O)_6]^(3+) (ii). [Fe(NH_3)_6]^(3+) (iii). [Fe(C_2O_4)_3]^(3-) (iv). [FeCl_6]^(3-)

EAN of Fe in [Fe(C_(2)O_(4)_(3)]^(3-) is .

[Fe(H_(2)O)_(6)]^(3+) and [Fe(CN)_(6)]^(3-) differ in

Among complexes [Fe(H_(2)O)_(6))]^(3+)", [Fe(CN)_(6)]^(3-). [Fe(C_(2)O_(4))]^(3-) , more stability is shown by

Amongst the following ions which one has the highest magnetic moment value? (i). [Cr(H_2O)_6]^(3+) (ii). [Fe(H_2O)_6]^(2+) (iii). [Zn(H_2O)]^(2+)

Discuss the nature of bonding in the following coordination entities on the basis of valence bond theory: (i). [Fe(CN)_6]^(4-) (ii). [FeF_6]^(3-) (iii). [Co(C_2O_4)_3]^(3-) (iv). [CoF_6]^(3-)

IUPAC name of K_(3)[Fe(C_(2)O_(4))_(3)] is

Arrange the following complexes in order of increasing crystal field splitting . [Fe(H_(2)O)_(6)]^(2+),[Fe(H_(2)O)_(6)]^(3+) , [FeCl_(6)]^(4-) .

Total number of paramagnetic complexes which are inner orbital complexes : (i) [Cr(NH_(3))_(6)]Cl_(3) " " (ii)[Co(NH_(3))_(6)](NO_(3))_(2)" " (iii)[Ni(NH_(3))_(6)]SO_(4) (iv) K_(2)[PtCl_(6)]. " " (v) [V(H_(2)O)_(6)]SO_(4) " " (vi) [Mn(NH_(3))_(6)]SO_(4) (vii)[Fe(H_(2)O)_(5)(NO)]SO_(4) " " (viii)K_(3)[CuCl_(4)]" " Na_(4)[Fe(CN)_(5)(NOS)]

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