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The observed magnetic moment of the complex [Mn(NCS)6)]x- is 6.06 BM. The numerical value of x is

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Important Questions on Coordination Compounds

HARD
The difference in the number of unpaired electrons of a metal ion in its high-spin and low-spin octahedral complexes is two. The metal ion is:
MEDIUM
The correct statement about the magnetic properties of [Fe(CN)6]3- and [FeF6]3- is : (Z = 26).
MEDIUM
The metal's d- orbitals that are directly facing the ligands in K3CoCN6 are:
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The hybridization involved in complex NiCN42- is: (Atomic number of Ni = 28)
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The pair having the same magnetic moment is:

At. No. :Cr=24, Mn=25, Fe=26, Co=27
MEDIUM
The spin only magnetic moment of ZCl42- is 3.87 BM where Z is:
MEDIUM
The species that has a spin-only magnetic moment of 5.9BM, is :
(Td=tetrahedral)
HARD
The geometries of the ammonia complexes of Ni2+ , Pt2+ and Zn2+ respectively, are :
HARD
Which one of the following has square planar structure?
MEDIUM
The correct statements among I to III are:
(I) Valence bond theory cannot explain the color exhibited by transition metal complexes.
(II) Valence bond theory can predict quantitatively the magnetic properties of transition metal complexes.
(III) Valence bond theory cannot distinguish ligands as weak and strong field ones.
MEDIUM
The magnetic moment of an octahedral homoleptic Mn(II) complex is 5.9B.M. . The suitable ligand for this complex is:
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The pair in which both the species have the same magnetic moment (spin only) is:
MEDIUM
An octahedral complex of Co3+ is diamagnetic. The hybridisation involved in the formation of the complex is :
MEDIUM
The one that can exhibit highest paramagnetic behaviour among the following is : gly= glycinato; bpy=2,2'-bipyridine
HARD

Choose the complex, which is paramagnetic

(i) FeH2O62+

(ii) K3CrCN6

(iii) K3FeCN6

(iv) K2NiCN4

HARD

Choose the correct statement(s) among the following:

 

HARD

Consider the following complex ions, P, Q and R.

P=FeF63-,Q=VH2O62+, R=FeH2O62+ 

The correct order of the complex ions, according to their spin-only magnetic moment values (in B.M.) is

HARD
Among NiCO4, NiCl42-, CoNH34Cl2Cl, Na3CoF6, Na2O2 and CsO2, the total number of paramagnetic compounds is