(C) In the $[Fe(CN)_6]^{4-}$ complex,the central metal ion is $Fe^{2+}$.The electronic configuration of $Fe^{2+}$ is $[Ar] 3d^6$.$CN^-$ is a strong fi

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(C) In the $[Fe(CN)_6]^{4-}$ complex,the central metal ion is $Fe^{2+}$.The electronic configuration of $Fe^{2+}$ is $[Ar] 3d^6$.$CN^-$ is a strong field ligand,which causes the pairing of electrons in the $3d$ orbitals.This results in $d^2sp^3$ hybridization,which corresponds to an octahedral geometry.

Class 12 Chemistry Coordination Compounds Hybridisation and Geometry

Medium

The shape of the $[Fe(CN)_6]^{4-}$ ion is:

A
Hexagonal
B
Pyramidal
C
Octahedral
D
Octagonal

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Coordination Compounds

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Hybridisation and Geometry

Hybridizations of the central atom in $[Fe(H_2O)_6]^{3+}$ and $[Co(NH_3)_6]^{3+}$,respectively,are

MediumKVPY 2021

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The shape of the manganate ion $(MnO_4^{2-})$ is . . . . . . .

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Match the following based on valence bond theory $(VBT)$.
Hybridisation Geometry Complex structure
$(A) \ sp^3$ $(i) \ \text{Square planar}$ $(p) \ [Fe(CN)_6]^{3-}$
$(B) \ d^2sp^3$ $(ii) \ \text{Tetrahedral}$ $(q) \ [ZnCl_4]^{2-}$
$(C) \ dsp^2$ $(iii) \ \text{Octahedral}$ $(r) \ [Ni(NH_3)_4]^{2+}$
- $(iv) \ \text{Linear}$ $(s) \ [Ag(CN)_2]^-$

Hybridisation	Geometry	Complex structure
$(A) \ sp^3$	$(i) \ \text{Square planar}$	$(p) \ [Fe(CN)_6]^{3-}$
$(B) \ d^2sp^3$	$(ii) \ \text{Tetrahedral}$	$(q) \ [ZnCl_4]^{2-}$
$(C) \ dsp^2$	$(iii) \ \text{Octahedral}$	$(r) \ [Ni(NH_3)_4]^{2+}$
-	$(iv) \ \text{Linear}$	$(s) \ [Ag(CN)_2]^-$