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  • Help me solve this Consider the following statements: S1 : [MnCl6 ]3 – , [FeF6 ]3 – and [CoF6]3 – are paramagnetic having four, five and four unpaired electrons respectively. S2 : Low value of formation constant of a complex indicat

Consider the following statements:

       S1 : [MnCl6 ]3 – , [FeF6 ]3 –  and [CoF6]3 –  are paramagnetic having four, five and four unpaired electrons respectively.

       S2 : Low value of formation constant of a complex indicates its high thermodynamic stability.

       S3 : The crystal field splitting Do , depends upon the field produced by the ligand and charge on the metal ion.

          and arrange in the order of true/ false.

  • Option 1)

    T T T

  • Option 2)

    T F T

  • Option 3)

     F T F

  • Option 4)

     T F F

 

Answers (1)

As we have learned

CFSE in octahedral complex -

CFSE =\left [- \frac{2}{5}\left ( No. of\;electron\;in\;t_{2}g \right ) +\frac{3}{5}\left ( No. of\;\acute{e}s\;in\;eg \right ) \right ]\bigtriangleup \circ

 

-

 

 

S1 : [MnCl6 ]3 – , [FeF6 ]3 –  and [CoF6]3 –  are paramagnetic having four, five and four unpaired electrons respectively.

S2 :High value of formation constant of a complex indicates its high thermodynamic stability.

S3 : The crystal field splitting Do , depends upon the field produced by the ligand and charge on the metal ion.

 


Option 1)

T T T

Option 2)

T F T

Option 3)

 F T F

Option 4)

 T F F

Posted by

Vakul

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