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The electronic spectrum of TiH2O63+ shows a single broad peak with a maximum at 20,300   cm1 . The crystal field stabilization energy (CFSE) of the complex ion, in kJ  mol1, is : 1   kJ   mol1=83.7  cm1

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a
242.5
b
83.7
c
145.5
d
97

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detailed solution

Correct option is D

complex  TiH2O6+3 gives a peak at 20,300 Gm−1The crystal field strabilization energy is Δ0=hcr¯∴Δ0=6.625×10-34×3×108×20,300=4×10-19 J/ molecule =6.023×1023×4×10-19 J/mole=243005 J/mole=243 kJ/mole∣Ti-22[Ar]4s23d2Ti+3-[Ar]4s°3d1 CFSE=0.4Δ0=0.4×243 kJ/mole=97 kJ/mole

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Simplified absorption spectra of three complexes ((i), (ii) and (iii)) of Mn+ion are provided below; their λmaxvalues are marked as A, B and C respectively. The correct match between the complexes and their λmax values is:

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