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The stabilisation of coordination compou...

The stabilisation of coordination compounds due to chelation is called the chelate effect . Which of the following is the most stable complex species ?

A

`[Fe(CO)_5]`

B

`[Fe(CN)_6]^(3-)`

C

`[Fe(C_2O_4)_3]^(3-)`

D

`[Fe(H_2O)_6]^(3+)`

Text Solution

Verified by Experts

The correct Answer is:
C
`[Cr(H_2O)_4Cl_2]^(+)` is a complex of the type `MA_4 B_2` and shows geometrical isomerism.
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ICSE-COORDINATION COMPOUNDS -EXERCISE (PART - I OBJECTIVE QUESTIONS) (Multiple Choice Questions)
  1. The valence bond theory for complexes was put forward by

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  2. Octahedral complexes involve the type of hybridization as

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  3. The shape and magnetic property of [Cr(NH3)6]^(3+) ion is :

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  4. In NI(CO)4, electron configuration and the oxidation state of Ni are

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  5. The name of the complex [Pt(NH3)6]Cl4 is

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  6. Bidentate ligand out of the following is :

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  7. Which of the following complexes formed by Cu^(2+) ions is most stable...

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  8. The colour of the coordination compounds depends on the crystal field ...

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  9. When 1 mol CrCl(3) * 6 H(2)O is treated with excess of AgNO(3) , 3 m...

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  10. When 1 mol CrCl(3) * 6 H(2)O is treated with excess of AgNO(3) , 3 m...

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  11. The correct IUPAC name of [Pt(NH(3))(2) Cl(2)] is

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  12. The stabilisation of coordination compounds due to chelation is called...

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  13. Indicate the complex ion which shows geometrical isomerism.

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  14. The CFSE for octahedral [CoCl(6)]^(4-) is 18,000 cm^(-1) . The CFSE fo...

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  15. Due to the presence of ambidentate ligands coordination compounds show...

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  16. The compounds [Co(SO(4)) (NH(3))(5)] Br and [Co(SO(4))(NH(3))(5)]Cl re...

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  17. A chelating agent has two or more than two donor atoms to bind to a si...

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  18. Which of the following species is not expected to be a ligand ?

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  19. What kind of isomerism exists between [Cr(H(2)O)(6)]Cl(3) (violet) and...

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  20. IUPAC name of [Pt(NH(3))(2) Cl(NO(2))] is

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