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Wednesday, April 13, 2022

Although [Fe(CN)6]4- is more stable (EAN-36) than [Fe(CN)6]3-(EAN-35) as par EAN rule but actually [Fe(CN)6]3 is more stable than [Fe(CN)6]4- ?

Although [Fe(CN)6]4- is more stable (EAN-36) than [Fe(CN)6]3-(EAN-35) as par EAN rule but actually  [Fe(CN)6]3 is more stable than  [Fe(CN)6]4- because in  Fe+3  Zeff will be more hence bonding between Fe+3 and -CN is more effective.

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Which complex is more stable [Ni(CN)4]4- or [Ni(CN)4]2- and why?

In general stability of Complexes is directly proportional to the magnitude of charge on central metal atom. Thus Complexes of Ni +2 are more stable than Ni0

[Ni(CN)4]4- < [Ni(CN)4]2- 

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d3s Hybrization and it's examples.

d3s Hybridization or dxy+dyz+dxz+s  possess tetrahedral geometry  and bond angle 109'28'. And examples are as CrO2Cl2,  CrO42-, MnO41-, MnO42-
VO43-, Cr2O72-

HYBRIDISATION AND GEOMETRY:
Related Questions;

(1) What type of ligands are known ?

(6) What are the chemical formula and chemical name of Glauber salt ?

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