silver nitrate test Flashcards
1
Q
which acid and solution do we add to halide?
A
dilute nitric acid (HNO3) followed by the addition of silver nitrate solution, AgNO3
2
Q
why do we add add acid in?
A
The acidification is done to remove carbonate ions that might give a false positive result
3
Q
If a halide is present what is formed?
A
If a halide is present it forms a silver halide precipitate:
Ag+ (aq) + X– (aq) → AgX (s)
4
Q
Chloride colour
A
WHITE
5
Q
bromide colour
A
CREAM
6
Q
Iodide colour
A
YELLOW