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In the complexes [Fe(H(2)O)(6)]^(3+), [F...

In the complexes `[Fe(H_(2)O)_(6)]^(3+), [Fe(CN)_(6)]^(3-), [Fe(C_(2)O_(4))_(3)]^(3-)` and `[FeCl_(6)]^(3-)`, more stability is shown by

A

`[Fe(H_(2)O)_(6)]^(3+)`

B

`[Fe(CN)_(6)]^(3-)`

C

`[Fe(C_(2)O_(4))_(3)]^(3-)`

D

`[FeCl_(6)]^(3-)`

Text Solution

Verified by Experts

The correct Answer is:
C

Because of chelation.
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MODERN PUBLICATION-COORDINATION COMPOUNDS-Multiple Choice Questions Level-I : Basic Conceptual Qs (Theories of Bonding and Applications of Coordination Compounds)
  1. The square planar [Ni(CN)(4)]^(2-) complex :

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  2. Which of the following ligands causes maximum crystal field splitting ...

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  3. Dimethylglyoxime is used for estimation of

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  4. The complex [Ni(CN)(4)]^(2-) is diamagnetic and it involves the follow...

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  5. Which of the following has tetrahedral geometry?

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  6. The number of unpaired electrons in outer orbital [Fe(H(2)O)(6)]^(3+) ...

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  7. Which of the following complexes does not obey EAN rule ?

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  8. The complex [Cu(NH(3))(4)]^(2+) is :

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  9. Which of the following is used as a heterogeneous catalyst in the poly...

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  10. Which is paramagnetic ?

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  11. Which of the following is used in cancer chemotherapy?

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  12. The spin magnetic moment of [MnBr(4)]^(2-) is 5.9 B.M. Its expected ge...

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  13. Among the following which is strongest field ligand?

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  14. Which of the following is diamagnetic ?

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  15. Which statement is incorrect ?

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  16. Considering H(2)O as a weak field ligand, the number of unpaired elect...

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  17. Which one of the following is an inner orbital complex as well as diam...

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  18. [Cr(H(2)O)(6)]Cl(3) (at. no. of Cr = 24) has a magnetic moment of 3.8...

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  19. The crystal field splitting energy for octahedral (Delta(o)) and tetra...

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  20. In the complexes [Fe(H(2)O)(6)]^(3+), [Fe(CN)(6)]^(3-), [Fe(C(2)O(4))(...

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