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In which of the following complexes the ...

In which of the following complexes the nickel metal is in highest oxidation state:

A

`Ni(CO)_(4)`

B

`K_(2)NiF_(6)`

C

`[Ni(NH_(3))_(6)](BF_(4))_(2)`

D

`K_(4)[Ni(CN)_(6)]`

Text Solution

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The correct Answer is:
B
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MODERN PUBLICATION-CO-ORDINATION COMPOUNDS-EXERCISE
  1. Which represents a chelating ligand:

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  2. To which isomers the following compounds belong? [Co(NO(2))(NH(3))(5...

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  3. In which of the following complexes the nickel metal is in highest oxi...

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  4. The IUPAC name of [CoCl(NO2)(en)2]Cl is

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  5. The correct name of the compound [Cu(NH3)4](NO3)2 according to IUPAC s...

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  6. Lithium tetrahydridoaluminate is correctly represented as:

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  7. The co-ordination number of the central ion may be obtained from:

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  8. The co-ordination number and oxidation number of X in the following co...

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  9. What type of isomers are the following [Co("en")(3)]Cr(CN)(6)]and[Cr...

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  10. In the compound [Fe(H2O)5NO]SO4 the oxidation number of iron is

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  11. The coordination number of cobalt in [Co(NH(3))(3)Cl(3)] is

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  12. Which one of the following does not show resonance ?

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  13. Many elements are found in living organisms either free or in the form...

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  14. The effective atomic number of 'Cr' in [Cr(H2O)6]^(3+) ion is

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  15. [Co(NH(3))(5)Br]SO(4)and[Co(NH(3))(5)SO(4)]Br show …. isomerism.

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  16. Which of the following metal can be extracted by hydrometallurgy ?

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  17. Which is not an organometallic compound:

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  18. Formula of ferrocene is:

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  19. All ligands are

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  20. Which of the following is a gas:

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