1. What is the relationship between wave length and energy? 2. What is the significance of spectrochemical series? 3. Explain crystal field theory. 4. According to the spectrochemical series, which of the following Cu atoms will have bigger separation between the two sets of d orbitals. Explain your reasoning? Cu atom in Cu² poured in to NaOH Cu atom in Cu² poured in to NH3 Which one will absorb light at a higher wavelength? 5. Why is this method called Modified Biuret Reagent?