Tests For Cations - Aqueous Ammonia Flashcards
1
Q
Ammonium (NH4^+)
A
-
2
Q
Calcium (Ca^2+)
A
No visible reaction.
Or.
Very slight white ppt.
3
Q
Potassium (K^+)
A
No visible reaction.
No ppt.
No gas.
4
Q
Sodium (Na^+)
A
No visible reaction.
No ppt.
No gas.
5
Q
Zinc (Zn^2+)
A
White ppt formed.
White ppt dissolves in excess giving a colorless solution.
6
Q
Lead (II) (Pb^2+)
A
White ppt formed.
White ppt insoluble in excess.
7
Q
Copper (II) (Cu^2+)
A
Light blue ppt formed.
Light blue ppt soluble in excess giving a dark blue solution.
8
Q
Iron (Fe^2+)
A
Dirty green ppt formed.
Dirty green ppt insoluble in excess.
9
Q
Iron (Fe^3+)
A
Reddish brown ppt formed.
Reddish brown ppt insoluble in excess.
