Coloured complexes answers

Answers to Coloured complexes questions1. Copper(I) contain a full 3d sub-level and scandium(III) contains no d electrons so no electronic transitions between split d levels are possible. Copper(II) contains nine d electrons and iron(III) five d electrons. In these compounds the 3d orbitals are split and the energy of the electron transitions between the split levels corresponds to the frequency of light in the visible...

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