Crystal Field Theory and Colour of Complexes

2025 1 question

1. The correct order of the wavelength of light absorbed by the following complexes is:A. $[\text{Co(NH}_3)_6]^{3+}$B. $[\text{Co(CN)}_6]^{3-}$C. $[\text{Cu(H}_2\text{O)}_4]^{2+}$D. $[\text{Ti(H}_2\text{O)}_6]^{3+}$Choose the correct answer from the options given below: