Tests for Anions Flashcards
1
Q
how do you test for chloride, bromide and iodide?
A
- add dilute nitric acid followed by silver nitrate solution
2
Q
what precipitate is formed with a chloride ion?
A
a WHITE precipitate of silver chloride
3
Q
what precipitate is formed with a bromide ion?
A
a CREAM precipitate of silver bromide
4
Q
what precipitate is formed with a iodide ion?
A
an iodide ion give a YELLOW precipitate of silver iodide
5
Q
how do you test for sulphates?
A
add dilute HCl followed by barium chloride solution.
a white precipitate of barium sulphate means the original compound was a sulphate
6
Q
how do you test for carbonates?
A
add dilute HCl. if carbonates are present then carbon dioxide will be released (limewater)
