Ion tests Flashcards
Identify the test and the results for the ions in this deck of cards.
1
Q
Na+
A
Flame test - Yellow
2
Q
Cu 2+
A
Flame test - Green / Blue
3
Q
Ca+
A
Flame test - Red
4
Q
K+
A
Flame test - Lilac
5
Q
SO4- (sulphate ion)
A
Add barium chloride and get a white precipitate of barium sulphate
6
Q
Cl-
A
Add a few drops of nitric acid (to remove unwanted reactions) then add silver nitrate. A white precipitate of silver chloride will form.
7
Q
CO3 2- (carbonate ion)
A
Add hydrochloric acid, if bubbles of carbon dioxide are produced it will turn limewater milky.