Consider the following complexesI) CoNH36+3II) CoH2O6+3III) CoCN6-3the increasing order of wavelength of light absorbed is
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a
II, I, III
b
I, II, III
c
III, II, I
d
III, I, II
answer is D.
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Detailed Solution
Energy(or frequency) of light absorbed ∝ field strength of ligand; Wavelength of light absorbed ∝1field strength of ligand; Field strength of CN->NH3>H2O ∴Order of wavelength absorbed : III