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

The oxidation number of cobalt in `K [Co(CO)_(4)]` is

A

`+1`

B

`+3`

C

`-1`

D

`-3`

Text Solution

Verified by Experts

The correct Answer is:
3
`+x+0 = 0, x = -1`
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NARAYNA-COORDINATION COMPLEXES-LEVEL-II
  1. The oxidation number of cobalt in K [Co(CO)(4)] is

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  2. EDTA has coordination number

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  3. en' is an example of a

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  4. IUPAC name of K(2)[PtCl(6)] is

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  5. IUPAC name of [Pt(NH(3))(3) (Br)(NO(2))CI] CI is

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  6. Tetrammine diaqua copper (II) hydroxide is given by the formula

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  7. The compexes [Co(NH(3))(6)][Cr(C(2)O(4))(3)] and [Cr(NH(3))(6)][Co(C(2...

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  8. Which of the following complex or the complex ion will show geometrica...

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  9. Which isomerism is exhibited by [Co(NH(3))(3)(H(2)O)(3)]Cl(3)?

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  10. [Co(NH(3))(4)(NO(2))(2)]CI exhibits

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  11. Which one of the following is an example of coordination isomerism?

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  12. [FeF(6)]^(3+) has Fe atom ....... Hybridized with unpaired ...... Elec...

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  13. How many EDTA molecules are required to make an octahedral complex wit...

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  14. The d electron congfiguration of Cr^(2+) , Mn^(2+) , Fe^(2+) and Ni^(2...

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  15. The expected spin only magnetic mometum for [Fe(CN)(6)]^(4-) and [FeF(...

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  16. The volume (in mL) of 0.1M Ag NO(3) required for complete precipitatio...

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  17. Among the following ions which one has the highest paramagnetism?

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  18. Which of the following complex is an outer orbital complex?

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  19. The EAN of cobalt in the complex ion [Co(en)(2)Cl(2)]^(+) is

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  20. For an octahedral complex, which of the following d electron configura...

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