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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

`-1`

C

`+3`

D

`-3`

Text Solution

Verified by Experts

The correct Answer is:
C
Let O.S. of Co in the complex = x
O.S. of K = `+1, O.S. of CN = -1`
`1+x + 4(-1)` = 0
x = 3
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DINESH PUBLICATION-CO-ORDINATION COMPOUNDS -REVISION QUESTIONS
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  2. Which of the following compounds exhibits linkage isomerism?

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

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  4. The IUPAC name of K(3)[Ir(C(2)O(4))(3)] is

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  5. Chemical formula for in iron(III) hexacyanoferrate(II) is

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  6. The effective atomic number of iron in [Fe(CN)(6)]^(3-) is

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  7. The geometry of the compound [Pt(NH(3))(2)Cl(2)] is

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  8. Which of the following cannot show linkage isomerism?

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  9. IUPAC name of K(3)[Fe(CN)(6)] is

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  10. The shape of cuprammonium ion is

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  11. Which of the following species represent the example of dsp^(2)-hybrid...

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  12. Consider the following complex [Co(NH(3))(5)CO(3)]ClO(4) The coordin...

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  13. In [Co(C(2)O(4))(3)]^(3-), the isomerism shown is .

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  14. In the complex [Fe(H(2)O)(6)]^(3+) [Fe(CN)(6)]^(3-) [Fe(C(2)O(4))(3)]^...

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  15. The colour of CoCl(3).5NH(3).H(2)O is

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  16. Atomic numbers of Cr and Fe are respectively 24 and 26. Which of the f...

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  17. The hypothetical complex triamminediaquachloridocobalt(III) chloride c...

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  18. In the silver plating of copper, K[Ag(CN)(2)] is used instead of AgNO(...

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  19. Both geometrical and optical isomerism are shown by

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  20. The catalyst used for olefin polymerisation is

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