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VBT vs CFT - Octahedral Complexes

Select outer ...

Question

Select outer $d$ -complexes :
I : $[F e (C N)_{6}]^{3 -}$ II : $[F e (H_{2} O)_{6}]^{3 +}$ III : $[C o F_{5}]^{3 -}$

II, III

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I, II

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I, III

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I, II, III

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Solution

The correct option is A II, III
Weak field ligands form outer d complexes. Flouride and water are weak field ligands.
II. $[F e (H_{2} O)_{6}]^{3 +}$ III. $[C o F_{5}]^{3 -}$
Hence option A is correct.

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Similar questions

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

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

[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 +}

E_{2}

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