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Co-ordination number of Fe in the comple...

Co-ordination number of `Fe` in the complexes `[Fe(CN)_6]^(4-)`, `[Fe(CN)_6]^(3-)` and `[FeCl_4]^(-)` would be respectively

A

(a) 2, 3, 3

B

(b) 6, 6, 4

C

(c) 6, 3, 3

D

(d) 6, 4, 6

Text Solution

Verified by Experts

The correct Answer is:
B
Coordination number is equal to total number of ligands in a complex.
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In the complex K_2Fe[Fe(CN)_6]

Co-ordination number of Fe in K_4[Fe(CN)_6] is

In the complex K_(2)Fe[Fe(CN)_(6)] :

Effective atomic number of Fe in the complex K_(4)[Fe(CN)_(6)] is

Knowledge Check

  • In the complex K_2Fe[Fe(CN)_6]

    A
    the complex is high spin complex
    B
    both Fe atoms are in the same oxidation state
    C
    the coordination number of iron is 4
    D
    both Fe atoms are in different oxidation state

  • [Fe(CN)_(6)]^(4-) is

    A
    inner complex
    B
    outer complex
    C
    square planar
    D
    trigonal bipyramidal

  • 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
    • A2Z-COORDINATION COMPOUNDS-Section D - Chapter End Test
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