Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

The complex that has highest crystal field splitting energy (), is 

  1. A

    [Co(NH3 )5 Cl]Cl2 

  2. B

    K2 [CoCl4 ] 

  3. C

    K3 [Co(CN)6 ] 

  4. D

    [Co(NH3 )5 (H2 O)]Cl3 

Solution

As complex K3[Co(CN)6] have CN– ligand which is strongfield ligand amongst the given ligands in other complexes.

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