Qualitative analysis Flashcards
1
Q
Chemical for the carbonate test
A
Nitric acid
2
Q
Chemical for sulphate test
A
Barium nitrate or barium chloride
3
Q
Reason to not use barium chloride in sulphate test
A
If you are performing halide test after, chloride ions would show a false positive result (as you have just introduced them)
4
Q
Precipitate colour - silver chloride
A
White
5
Q
Precipitate colour - silver bromide
A
Cream
6
Q
Precipitate colour - silver iodide
A
Yellow
7
Q
Chemical for halide tests
A
Aqueous silver nitrate
8
Q
Test order
A
Carbonate
Sulfate
Halide
9
Q
Chemical involved in ammonium test
A
Aqueous sodium hydroxide