Which one of the following is a strong field ligand

  • Option 1)

    CN^{-}

  • Option 2)

    NO^{-}_2

  • Option 3)

    en

  • Option 4)

    NH_3

 

Answers (1)
S satyajeet

As we have learned

Strong Field Ligand -

These are the ligands which pair the electron in inner d-orbital and makes required d-orbitals empty/available. 

- wherein

For example: CO, CN etc

 

CN^{-}ligand has strong field ligand because of higher value of

 


Option 1)

CN^{-}

Option 2)

NO^{-}_2

Option 3)

en

Option 4)

NH_3

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