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Which of the two is more stable and why ...

Which of the two is more stable and why ?
`K_(4)[Fe(CN)_(6)]` or `K_(3)[Fe(CN)_(6)]`

Text Solution

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The stability of a coordination compound depends upon the charge on the central atom.
Greater the charge on the central atom, greater is the stability.
In `K_(3)[Fe(CN)_(6)]`, the charge on Fe is +3, while in `K_(4)[Fe(CN)_(6)]`, the charge is +2. Therefore, `K_(3)[Fe(CN)_(6)]` is more stable.
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U-LIKE SERIES-COORDINATION COMPOUNDS-LONG ANSWER QUESTIONS-I (3 marks each)
  1. State the hybridisation and magnetic behaviour of [Cr(CO)(6)].

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  2. What are the various factors affecting crystal field splitting energy ...

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  3. Which of the two is more stable and why ? K(4)[Fe(CN)(6)] or K(3)[Fe...

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  4. What is the basis of formation of spectrochemical series ?

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  5. Draw the structures of geometrical isomers of the following coordinati...

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  6. Give the formula of each of the following coordination entities : Co...

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  7. Give the formula of each of the following coordination entities : Ni...

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  8. Write the name and draw the structure of each of the following complex...

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  9. Write the name and draw the structure of each of the following complex...

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  10. Describe for any two of the following complex ions, the type of hybrid...

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  11. Describe for any two of the following complex ions, the type of hybrid...

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  12. Describe for any two of the following complex ions, the type of hybrid...

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  13. What are ambidentate ligands ? Give an example.

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  14. Write IUPAC names of the following : K(3)[Fe(C(2)O(4))(3)]

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  15. Write IUPAC names of the following : [Pt(NH(3))(6)]Cl(4)

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  16. Draw the structure of cis-isomer of [Co(NH(3) )(4)Cl(2)]^(+).

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  17. A coordination compound has the formula CoCl(3).4NH(3). It does not li...

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  18. Name a ligand which is bidentate and give an example of the complex fo...

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  19. Write the name (IUPAC norm) and draw the possible optical isomers of [...

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  20. Answer the following : Differentiate between a bidentate ligand and ...

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