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Coordination Complexes

Which of the ...

Question

Which of the following is diamagnetic in nature?

A

[F e (C N)_{6}]^{3 -}

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B

N i C l_{4}^{2 -}

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C

[N i (C O)_{4}]

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D

[M n C l_{4}]^{2 -}

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Solution

The correct option is C $[N i (C O)_{4}]$
Diamagnetic substance have all paired electron.
(a) [Fe(CN)6]3− Oxidation state of Fe=+3
It has one unpaired electron and is paramagnetic.
(b) It has two unpaired electrons and is paramagnetic
(c) It has no unpaired electron and is diamagnetic
(d) ∴ It is paramagnetic as it has five unpaired electrons.

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Similar questions

N i (C O)_{4}, [N i (C N)_{4}]^{2 -}

N i C l_{4}^{2 -}

N i (C O)_{4}

[N i (C N)_{4}]^{2 -}

N i C l_{4}^{2 -}

:

N i (C O)_{4}, N i (C N)_{4}^{2 -}

N i C l_{4}^{2 -}

select paramagnetic and diamagnetic.

Q. The correct order of magnetic moment (spin only values in B.M.) among is: (Atomic no.s :

M n = 25; F e = 26; C o = 27

)

N i (C O)_{4}, [N i (C N)_{4}]^{2 -}

N i C l_{4}^{2 -}

:

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