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The oxidation number of cobalt in K[Co(C...

The oxidation number of cobalt in `K[Co(CO)_4]` is

A

`+1`

B

`+3`

C

`-1`

D

`-3`

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MODERN PUBLICATION-COORDINATION COMPOUNDS-EXERCISE
  1. Which of the following description of hybridisation is not correct ?

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  2. Which of the following is expected to be a paramagnetic complex ?

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  3. The oxidation number of cobalt in K[Co(CO)4] is

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  4. Which of the following is paramagnetic ?

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  5. The oxidation state of Fe in the brown ring complex [Fe(H2O5)NO]SO4 is

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  6. The IUPAC name of the complex [P(NH3)3Br(NO2)Cl]Cl is

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  7. A coordination complex compound of cobalt has molecular formula contai...

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  8. Which statement is incorrect ?

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  9. In the complexs more stability is shown by

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  10. Ammonia forms the complex ion [Cu(NH3)4]^(2+) with copper ions in alka...

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  11. One mole of complex compound Co(NH3)5Cl3 give 3 moles of a ions on di...

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  12. Magnelium alloy is a mixture. Explain how?

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  13. [Cr(H2O)6] Cl3 (At. no. of Cr = 24) has a magnetic moment of 3.83 B.M....

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  14. In which of the following coordination entities the magnitude of Delta...

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  15. Express 2260 in roman numbers.

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  16. Express 1226 in roman numbers.

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  17. Express 1226 in roman numbers.

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  18. Crystal field stabilisation energy for high spin d^4 octahedral comple...

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  19. The complexes [Co(NH3)6][Cr(CN)6] and [Cr(NH3)6] [Co(CN)6] are the exa...

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  20. The complex, [Pt(Py(NH3)BrCl] will have how many geometrical isomers ?

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