transition metal complexes Flashcards
1
Q
what is the colour of chromium 3+ in solution?
A
green
2
Q
what is the colour of copper in solution?
A
blue
3
Q
what is the colour of cobalt in solution?
A
pink
4
Q
what is the colour of iron 2 in solution?
A
green
5
Q
what is the colour of iron 3 in solution?
A
yellow
6
Q
what is the colour and formula of the solution when excess NH3 is added to copper?
A
deep blue
Cu(NH3)4(H2O)2
7
Q
What is the colour and formula for the solution that occurs when excess NH3 is added to cobalt solution?
A
yellow
Co(NH3)6
8
Q
which is the only one that dissolves in excess OH- to form a ppt?
A
chromium
forms Cr(H2O)6
9
Q
what is the formula and colour of the solution that occurs when excess NH3 is added to chromium 3+ solution?
A
lilac
Cr(NH3)6
