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Which of the following options are corre...

Which of the following options are correct for `[Fe(CN)_(6)]^(3-)` - complex -

A

`d^(2)sp^(3)` hybridisation

B

`sp^(3)d^(2)` hybridisation

C

paramagnetic

D

diamagnetic

Text Solution

Verified by Experts

The correct Answer is:
A, C
Explanation `[Fe(CN)_(6)]^(3-)` is an inner orbital octahedral complex. So `Fe^(3+)` ion has `d^(2)sp^(3)`- hybridisation. In presence of `CN^(-)` ions, electronic configuration of `Fe^(3+)=3d^(5)(=d^(2)^(2)d^(1)d^(0)d^(0))`. So the complex has paramagnetic character.
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Knowledge Check

  • Which of the following options are correct for RbO_2 -

    A
    it is a peroxide
    B
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    C
    it is a superoxide
    D
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  • Which of the following options represents the correct bond order?

    A
    `O_2^- gt O_2 gt O_2^+`
    B
    `O_2^- lt O_2 lt O_2^+`
    C
    `O_2^- gt O_2 lt O_2^+`
    D
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  • Which of the following metal ion forms unstable complex with CN^(-) -

    A
    `Ag(I)`
    B
    `Zn(II)`
    C
    `Cu(II)`
    D
    `Cr(II)`

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