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On the basic of stability of complex ion...

On the basic of stability of complex ion in the solution, complexes may be of two types, perfect and imperfect complexes. The stability depends upon the extent of dissociation which in turn depends upon charge on central metal atom, basic nature of ligand, chelation, and nature of metal ion and ligand according to HSAB principle.
Q Which complex is most stable?

A

`[Cu(CN)_(2)]^(-) K_(d)=1xx10^(-16)`

B

`[Fe(CN)_(6)]^(4-)K_(d)=1xx10^(-37)`

C

`[Fe(CN)_(6)]^(3-)=1x10^(-44)`

D

`[Ag(CN)_(2)]^(-)K_(d)=1x10^(-20)`

Text Solution

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The correct Answer is:
C
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On the basic of stability of complex ion in the solution, complexes may be of two types, perfect and imperfect complexes. The stability depends upon the extent of dissociation which in turn depends upon charge on central metal atom, basic nature of ligand, chelation, and nature of metal ion and ligand according to HSAB principle. Q> Which one of the following does not follow EAN rule?

On the basic of stability of complex ion in the solution, complexes may be of two types, perfect and imperfect complexes. The stability depends upon the extent of dissociation which in turn depends upon charge on central metal atom, basic nature of ligand, chelation, and nature of metal ion and ligand according to HSAB principle. Qgt Which one of the following does not follow EAN rule?

Which of the following divalent metal ion form the most stable complexes ?

A. According to C.FT complex compound contain point charges R: The bonding between central metal ion and ligand is electrostatic

Which of the following factors does tends to increase the stability of metal ion complexes ?

Which of the following metal ions will form complexes with the same magnetic moment and geometry irrespective of the nature of ligands ?

Why is geometrical isomerism not possible in tetrahedral complexes having two different types of unidentate ligands coordinated with central metal ion ? .

The complex ion that will lose its crystal field stabilization energy upon oxidation of its metal to +3 state is :

Which of the following statements is correct with regard to complex ion ? . (a) complex ion consists of a central ion bonded to two or more donor ions or molecules usually does not dissociate into simple ions or molecules even in a solution and exhibits properties different from its constituent ions or molecules (b) The donor ions and molecues which coordinate with the central atom or ion a complex are called ligands The sum of the number of electrons pressent in the central metal ion or atom and those donated by the ligands is called the effective atomic number of the central metal aton and this number is usually the same as the atomic number of the next higher noble gas (d) All of these .

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