See
http://en.wikipedia.org/wiki/Jahn-Teller_effect
a compound made in the first part of an experiment,
[Co(NH3)5Cl]Cl2 appeared to be a dark brown/orange/purple color.
This product was then used as a reactant to synthesize [Co(NH3)5ONO], which was a red color.
how do you account for the differences in color between these two?
1 answer