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The oxidation number of Co in the comple...

The oxidation number of `Co` in the complex ion

A

`+2`

B

`+3`

C

`+4`

D

`+6`

Text Solution

Verified by Experts

The correct Answer is:
B
`2(x) + 1(-2) + 1(-1) = +3`
`:. X = +3` i.e. Co O.S. is +3
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NARAYNA-COORDINATION COMPLEXES-EXERCISE -2
  1. Which complex is likely to show optical activity :

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  2. The number of bridged carbonyl groups in Mn(2)(CO)(10) is :

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  3. The oxidation number of Co in the complex ion

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  4. Which of the following statements is correct?

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  5. Geometrical isomerism can be shown by

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  6. [Co(en)3]^(3+) ion is expected to show

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  7. The number of geometrical isomers for octahedral [CoCl(4)(NH(3))(2)]^(...

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  8. Which of the following statements is incorrect?

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

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  10. The two compounds pentaamminesulphatocobalt (III)bromide and pentaammi...

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  11. Select the correct code about complex [Cr(NO(2))(NH(3))(5)][ZnCl(4)] :...

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  12. Isoomerisms exhibited by [Cr(NH(3))(2)(H(2)O)(2)Cl(2)]^(+) are

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  13. Of the following complex ions which one can form a chelate with ethyle...

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  14. [Pt(NH(3))(NO(2))Ph(NH(2)OH)]^(+), the no. of geometrical isomers incl...

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  15. Which of the following compound shows optical isomerism? (en=ethylened...

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  16. Oxidation number of Cr in the following complex is

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  17. [Cr(NH(3))(5)Br]Cl and [Cr(NH(3))(5)Cl]Br can be distinguished by/and ...

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  18. If excess of AgNO(3) solution is added to 100 mL of a 0.024 M solution...

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  19. Match the column:

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  20. Which of the following is correct IUPAC name of any compound.

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