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The complex [Fe(H_2O)_5NO]^{2+} is formed in the brown ring test for nitrates when freshly preparedFeSO_4  solution is added to aqueous solution of NO^{-}_3 ions followed by addition of conc. H_2SO_4. Select correct statement about this complex

  • Option 1)

    Hybridisation of iron is sp^{3}d^{2}

  • Option 2)

    Iron has +1 oxidation state

  • Option 3)

    It has magnetic moment of 3.87 b. M. confirming three unpaired electrons in Fe.

  • Option 4)

    All the above are correct statements.

 

Answers (1)

best_answer

As we have learned

Crystal field splitting in octahedral complex -

e_{g} orbitals are more energetic as compared to t_{2g}

- wherein

 

 

The complex [Fe(H2O)5NO]2+ is formed in the brown ring test for nitrates when freshly prepared FeSO4 solution is added to

aqueous solution of NO3– ions followed by addition of conc. H2SO4, Hybridisation of iron is sp3d2, Iron has +1 oxidation state, It has magnetic moment of 3.87 b. M. confirming three unpaired electrons in Fe.

 


Option 1)

Hybridisation of iron is sp^{3}d^{2}

Option 2)

Iron has +1 oxidation state

Option 3)

It has magnetic moment of 3.87 b. M. confirming three unpaired electrons in Fe.

Option 4)

All the above are correct statements.

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