Testing For Cations with NH3 (aq) Flashcards
1
Q
Al (3+charge)
A
White ppt, insoluble in excess
2
Q
Ca (2+ charge)
A
No ppt or very slight white
3
Q
Cu ( 2+ charge)
A
Light blue ppt, soluble in excess (dark blue)
4
Q
Cr (3+ charge)
A
Grey- green ppt, insoluble in excess
5
Q
Fe (2+ charge)
A
Grey- green ppt, insoluble in excess
6
Q
Fe (3+ charge)
A
Reddish brown ppt, insoluble in excess
7
Q
Zn (2+charge)
A
White ppt, soluble in excess (colourless)