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NiCl4 2- is paramagnetic while NiCO4 is ...

NiCl4 2- is paramagnetic while NiCO4 is diamagnetic though both are tetrahedral why

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In `[Ni(CO)_4]`, Ni is in zero oxidation state whereas in `[NiCl_4]^(2-)`, it is.in +2 oxidation state. In the presence of CO ligand, the unpaired d-electrons of Ni pair up but `Cl^(-)` being a weak ligand is unable to pair up the unpaired electrons.
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BETTER CHOICE PUBLICATION-CO-ORDINATION COMPOUNDS-QUESTION FROM PREVIOUS BOARD EXAMINATION
  1. NiCl4 2- is paramagnetic while NiCO4 is diamagnetic though both are te...

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  2. Write the IUPAC name of corordination compound [Co(NH3)3ONO]Cl2.

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  3. How many isomers are possible for the netural complex [Co(NH3)3Cl3]? D...

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  4. Discuss the nature of bonding in the following coordination entities o...

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  5. Write the IUPAC name for the corordination compound. [Zn(NH3)4]2+

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  6. Explain: [Ni (CN)4]^(2-) is diamagnetic while [Ni(Cl)4]^(2-) is parama...

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  7. Write IUPAC name of the following K2[Zn(OH)4]

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  8. Write IUPAC name of the following K3[Al(C2O4)]3

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  9. Write IUPAC name of the following K2[Cu(CN4)]

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  10. Write IUPAC name of the following [Co(NH3)3Cl]Cl2

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  11. Write IUPAC name of the following [Co(en)2Br2Cl

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  12. Write IUPAC name of the following [Co(NH3)5Br]Cl2

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  13. Write IUPAC name of the following K3[Fe(C2O4)3]

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  14. Write IUPAC name of the following Na[Au(CN)2]

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  15. Write IUPAC name of the following K2[Fe(CN)6]

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  16. Write IUPAC name of the following K2[Fe(CN)6]

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  17. Write the IUPAC name of the following : K3[Fe (CN)5 NO]

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  18. Write IUPAC name of the following K3[Cr(C2O4)3]

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  19. Write IUPAC name of the following K3[Cr(C2O4)3]

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  20. Write IUPAC name of the following K[PtCl3(NH3)]

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  21. Write IUPAC name of the following K2[Fe(CN)6]

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