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Valence Bond Theory

Select outer ...

Question

Select outer d-complexes among the following
I. $[F e (C N)_{6}]^{3 -}$
II. $[F e (H_{2} O)_{6}]^{3 +}$
III. $[C O F_{6}]^{3 -}$
Choose the correct option.

II and III

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I and II

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I and III

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I, II and III

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Solution

The correct option is D II and III
The ligands $H_{2} O$ and $F$ are weak field ligands and hence pairing of electrons in these cases is not feasible and hence form outer d complex.

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Similar questions

I : [F e (C N)_{6}]^{3 -} I I : [F e (H_{2} O)_{6}]^{2 +}

I I I : [C o F_{6}]^{3 -}

I I I

2,

I I I I

3,

I I

1,

I I - I I I I + I I I + I I I I I =

(I) [F e (H_{2} O)_{6}]^{2 +} (I I) [F e (C N)_{6}]^{3 -}

(I I I) [F e (C N)_{6}]^{4 -} (I V) [F e (H_{2} O)_{6}]^{3 +}

[F e (H_{2} O)_{6}]^{2 +}

[F e (C N)_{6}]^{4 -}

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

[N i (H_{2} O)_{4}]^{2 +}

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

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