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  • How to solve this problem- Which of the following complexes show six coordination number

Which of the following complexes show six coordination number

  • Option 1)

    [Zn(CN)_4]^{2-}

  • Option 2)

    [Cr(H_2O)_6]^{3+}

  • Option 3)

    [Cu(CN)_4]^{2-}

  • Option 4)

    [Ni(NH_3)_4]^{2+}

 

Answers (1)

As we have learned

Primary valency -

These are normally ionisable and satisfied by negative ions.

 

- wherein

eg:

COCl_{2} \rightarrow  Primary Valency is 2

CrCl_{3}\rightarrow   Primary Valency is 3

 

 Co-ordination number is equal to total number of ligands in a complex.

 

 

 

 

 


Option 1)

[Zn(CN)_4]^{2-}

Option 2)

[Cr(H_2O)_6]^{3+}

Option 3)

[Cu(CN)_4]^{2-}

Option 4)

[Ni(NH_3)_4]^{2+}

Posted by

Vakul

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