Anions Flashcards
1
Q
How do you test for carbonate ions
A
add HCL, if bubbling CO2 present, bubble gas through limewater, turns cloudy
1
Q
What is the symbol for carbonate ions
A
CO4-2
2
Q
What is the symbol for sulfate ions
A
SO4-2
3
Q
How do you test for sulfate ions
A
add HCL, this removes carbonate ions that may give precipitate, add barium chloride, white precipitate
4
Q
What halide ions are tested
A
Cl, Br, I
5
Q
How do you test for halide ions
A
add nitric acid, which removes carbonate ions, then silver nitrate solution,
6
Q
What precipitate does chloride produce and turn
A
Silver chloride turns white
7
Q
What precipitate does bromide produce and turn
A
silver bromide turns cream
8
Q
What precipitate does iodide produce and turn
A
silver iodide turns yellow
