3.1.4- Qualitative Analysis Flashcards
1
Q
How do you test for carbonate ions?
A
Add an acid (or H+ ion)
2
Q
What is produced in a carbonate test?
A
Fizzing and CO2 gas
3
Q
How do you test for sulfate ions?
A
Acidified BaCl2
4
Q
What is produced in a sulfate test?
A
White precipitate of barium sulfate
5
Q
How do you test for halide ions?
A
Acidified silver nitrate, and then further tested with ammonia
6
Q
How do you test for ammonium (NH4 ^+)?
A
Add NaOH and gently warm
7
Q
What is produced in the ammonium test?
A
Ammonia (NH3)
8
Q
How do you confirm that ammonia has been produced?
A
Damp red litmus paper will turn blue
