Question

Which of the following explains the colour of many transition metal complexes?

Select one:

a. The absorption and emission of photons due to electronic transitions between e_g and t_2g orbitals.

b. Rayleigh Scattering.

c. Compton diffraction.

d. Free metal ions are coloured and so the the complex that forms is coloured.

e. The ligands that coordinate to metal ions are often coloured and so the complex that forms is coloured

Answer 1