Cation Precipitates Flashcards
1
Q
Pb2+
A
Add Cl −(aq); a white PPT forms. Add I−(aq); a yellow PPT forms
1
Q
Ag+
A
Add Cl −(aq); a white PPT forms – dissolves if ammonia is added
2
Q
Ca2+
A
Add SO4 2 −(aq); a white PPT forms – brick-red flame test
3
Q
Cu2+
A
Add OH −(aq); a blue PPT forms – blue green flame test
4
Q
Fe2+
A
Add OH −(aq); a pale green PPT forms which in time turns brown
5
Q
Fe3+
A
Add OH −(aq); a brown PPT forms
Add Cl −(aq); a white PPT forms
Add I−(aq); a yellow PPT forms
6
Q
Mg2+
A
Add OH−(aq); a white PPT forms, Does NOT form PPT with SO4 2 − (aq)
7
Q
Ba2+
A
- Add SO4 2 −(aq); a white PPT forms – apple green flame test
