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The octahedral complex of a metal ion M3+ with four monodentate ligands L1, L2, L3 and L4 absorb wavelengths in the region of red, green, yellow and blue, respectively. The increasing order of ligand strength of the four ligands is

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Important Questions on Coordination Compounds

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For a d4 metal ion in an octahedral field, the correct electronic configuration is :
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The species that has a spin-only magnetic moment of 5.9BM, is :
(Td=tetrahedral)
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Consider the complex ions, trans- Co(en)2Cl2*(A) and cis-Co(en)2Cl2+(B). The correct statement regarding them is :
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Considering that Δ0>P, the magnetic moment (in BM) of RuH2O62+ would be
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The values of the crystal field stabilization energies for a high spin d6 metal ion in octahedral and tetrahedral fields, respectively, are:
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The total number of coordination sites in ethylenediaminetetraacetate ( EDTA4) is ...................

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The number of geometric isomers that can exist for square planar PtClpyNH3NH2OH+ is (py = pyridine):
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 The Crystal Field Stabilization Energy (CFSE) of CoFH2O33Δ0<P is :