The correct order of the wavelength of light absorbed by the following complexes is, A. [Co(NH3)6] 3+ B. [Co(CN)6] 3- C. [Cu(H2O)4] 2+ D. [Ti(H2O)6] 3+ Choose the correct answer from the options given below:

1. A. C < A < D < B
2. B. B < D < A < C
3. C. B < A < D < C
4. D. C < D < A < B

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