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Which of the following complexes is more...

Which of the following complexes is more stable and why ? `[Co(en)_3]^(3+)` and `[Co(NH_3)_6]^(3+)`

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The complex `[CO(en)_(3)]^(3+)` is more stable because en is a bidentate chelating ligand .
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Which of the following is more stable complex and why? [CO(NH_3)_6]^(3+) and [CO(en)_3]^(3+)

Which of the following is more stable ? (1) K_(4)[Fe(CN)_(6)] or K_(3)[Fe(CN)_(6)] (2) [Co(NH_(3))_(6)]^(3+) or [Co(en)_(2)(NH_(3))_(2)]^(3+) (3) [NiCl_(4)]^(2-) or [Ni(CN)_(4)]^(2-)

Why is the complex [CoF_6]^(3-) less stable than the complex [Co(en)_3]^(3+) ?

How many of the following complexes are optically inactive? (i) trans- [Co(NH_3)_4I_2]^+ (ii) cis- [Co(NH_3)_2(en)_2]^(3+) (iii) trans- [Co(NH_3)_2(en)_2]^(3+)

On the basic of CET explaine the following complex of Co^(3+) like [Co(NH_(3))_(6)]^(3+),[Co(en)_(3)]^(3+) and [Co(NO_(2))_(6)]^(3-) are diamagntic while [CoF_(6)]^(3-) and [Co(H_(2)O)_(6)]^(3+) are paramagnetic .

Co^(3+) ion forms octahedral complex with ligands like F^(-) and NH_(3) as [CoF_(6)]^(3-) and [Co(NH_(3))_(6)]^(3+) . These two complexes differ in:

Give the shape and behaviour of the following complexes: i) [Co(NH_(3))_(6)]^(3+) ii) [Ni(CN)_(4)]^(2-)

DINESH PUBLICATION-CO-ORDINATION COMPOUNDS -Questions from board examinations
  1. Write the IUPAC names of : (a)K(4)[Fe(CN)(6)] (b)[Co(NH(3))(6)]Cl(3...

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  2. For the complexes [NiCl4]^(2-) (i) Write the IUPAC name (ii) the s...

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  3. Which of the following complexes is more stable and why ? [Co(en)3]^(3...

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  4. What type of isomerism is shown by the complex [Co(en)3]^(3+) ?

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  5. [NiCl(4)]^(2-) is paramagnetic while [Ni(CO)(4)] is diamagnetic though...

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  6. Discuss the geometry of the complex [Fe(CN)6]^(3-) on the basis of val...

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  7. Write the IUPAC names of the complexes : [Ag(NH3)2]Cl and K[Ag(CN)2]

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  8. Define the following : (i) Linkage isomerism (ii) Hydrate isomeris...

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  9. What is basic difference between a double salt and a co-ordination com...

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  10. Write the IUPAC name of the complex (i) [Ag(NH3)2][Ag(CN)2]

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  11. (a) Write the IUPC names of the following co-ordination compounds (i) ...

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  12. (i) predict the number of unpaired electrons in the tetrahedral [MnBr(...

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  13. What is the effect of synergic bonding interactions in a metal carbony...

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  14. (i) write the IUPAC name of the following complex : [Cr(en)(3)]Cl(3) ...

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  15. (i) Write the geometrical isomer of the complex [Co(en)(2)Cl(2)]^(+) ....

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  16. (i) Write the IUPAC name of the complex : [Ce(NH(3))(2)Cl(2)(en)Cl] . ...

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  17. Write hybridisation and magnetic behaviour of the complex [Ni(CO)(4)].

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  18. Out of CN^(-) and CO , which ligands forms a more stable complex with ...

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  19. What type of isomerism is shown by [Co(NH(3))(5)ONO]Cl(2) ?

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  20. Write the IUPAC names of the complex [Pt(en)(2)Cl(2)]^(2+) . What type...

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