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On the basis of valence bond theory expl...

On the basis of valence bond theory explain the structure and magnetic nature of `[Fe(H_2O)_6]^(3+)` complex ion.

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The electronic configuration of `Fe = 3d^6 4s^2` in this compound Fe is in `+2` oxidaton state so

Now as CN is a strong field ligand so all unpaired electrons will pair up and.

the hybridisation of Fe is `d^2 sp^3`. The glometry of the compound is octahedral. Since this compound has no unpaired electrons it is diamagnetic.
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H_2O has structure

OMEGA PUBLICATION-CO-ORDINATION COMPOUNDS -MULTIPLE CHOICE QUESTIONS
  1. On the basis of valence bond theory explain the structure and magnetic...

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  2. An example of double salt is

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  3. Write IUPAC name of [Co(NH3)6]Cl3.

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  4. Name of complex [pt(NH3)6]Cl4 is

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  5. [Co(NH3)5 Br]SO4 and [Co(NH3)5 SO4] Br areexamples of which type of i...

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  6. Which complex has square planar structure?

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  7. The number of d-electrons in [Cr(H2O)6]^(3+) (at. No. of Cr = 24 ) is

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  8. The oxidation number of iron in K4[Fe (CN)6] is :

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  9. The IUPAC name of [Co(Cl) (NO2) (en)2 ] Cl is

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  10. Which of the following complex species involves d^2sp^3 hybridisation ...

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  11. Which of the following acts as a positive ligand?

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  12. The co-ordination number of Cr in [Cr(NH3)3(H2O)3]Cl3 is

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  13. The magnetic moment of [Ni(CO4)] is

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  14. The effective atomic number of Cr (Atomic no. = 24) in [Cr (NH3)6]Cl3 ...

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  15. The effective atomic number of Fe in Fe(CO)5 is

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  16. The coordination number of copper in cuprammonium sulphate is

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  17. en is an example of a

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  18. Ferrocene is

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  19. Which of the following ligands is expected to be bidentate?

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  20. The number of unpaired electrons in the complexes [NiCl4]^(-2) and [Ni...

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  21. According to effective atomic number, the central metal acquires

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