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  • Solve this problem - Co-ordination Compounds - JEE Main-2

In K_{4}Fe(CN)_{6}

  • Option 1)

      (CN) are linked with primary valency

  • Option 2)

    (CN) are linked with secondary valency

  • Option 3)

    K are linked with secondary valency

  • Option 4)

    K are linked with non-ionic valency

 

Answers (1)

best_answer

As we have learned

Werner's Theory and it's limitation -

       Postulates of Werner's theory

  1. Metals show two types of linkages, Primary and Secondary.
  2. Secondary valencies are non ionisable.
  3. Primary valencies are normally ionisable.
  4. The groups bond by the seconadry linkages has spatial arrangement. 

        Limitations of Warner's theory

  1. Did not tell why only certain elements have ability to form complexes
  2. Gave no explanation for directional properties of bonds in coordination compounds.
  3. Could not explain the magnetic and optical properties  

- wherein

Eg. PdCl_{2}.4NH_{3} ,Secondary valency = 4 and these are satisfy by neutral molecule or negative ion.

Primary valency is satisfy by negative ion. 

 

 

(CN) are linked with secondary valency.

 

 

 

 


Option 1)

  (CN) are linked with primary valency

Option 2)

(CN) are linked with secondary valency

Option 3)

K are linked with secondary valency

Option 4)

K are linked with non-ionic valency

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