Copper, Iron(II) and Iron(III) ions
   
     

SS5.3 Looking at some transition metal complexes

Right click and open up a new window to view a Powerpoint presentation showing the colours produced when sodium hydroxide and then ammonia is added to a solution of each of the ions in turn (160KB).

For further information see Salters Advanced Chemistry, 2000, Activities and Assessment Pack, Second Edition, ISBN 0 435 631217