Transition metal colours > Copper > Flashcards
[Cu(H2O)6]2+
blue solution
Cu(OH) 2
blue precipitate
[Cu(NH 3 )4(H2O)2]2+
deep blue solution
[CuCl 4 ] 2-
yellow solution
[Cr(OH) 6 ] 3-
green solution
Cr 2+