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Calculate the magnetic moments of the fo...

Calculate the magnetic moments of the following complexes: (i) `[Fe(CN)_(6)]^(-4)`
(ii)`[FeF_(6)]^(-3)`

Text Solution

AI Generated Solution

To calculate the magnetic moments of the given complexes, we will follow these steps: ### Step 1: Determine the oxidation state of the metal in each complex. #### (i) For `[Fe(CN)_(6)]^(-4)`: - Let the oxidation state of Fe be \( x \). - The charge of CN is -1, and there are 6 CN ligands, so the total contribution from CN is \( -6 \). - The overall charge of the complex is -4. ...
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Knowledge Check

  • Which of the following is TRUE for [Fe(CN)_(6)]^(3-) and [FeF_(6)]^(3-) ?

    A
    Both are paramagnetic
    B
    `[Fe(CN)_(6)]^(3-)` is paramagnetic and `[FeF_(6)]^(3-)` is diamagnetic.
    C
    `[Fe(CN)_(6)]^(3-)` is diamagnetic and `[FeF_(6)]^(3-)` is paramagnetic
    D
    Both are diamagnetic

  • The complex ions [Fe(CN)_(6)]^(3-) and [Fe(CN)_(6)]^(4-) :

    A
    Are both octahedral and paramagnetic
    B
    Are both octahedral and diamagnetic
    C
    Have same structure but opposite magnetic character
    D
    Have different structure but opposite magnetic character

  • The complex ion [Fe(CN)_(6)]^(4-) contains:

    A
    total of 36 electrons on `Fe^(2+)` cation
    B
    `sp^(3)d^(2)` hybrid orbitals with octahedral structure
    C
    total of 104 electrons
    D
    six sigma bonds