Cation Tests Flashcards
1
Q
Colour of precipitate when you add sodium hydroxide to:
Copper II?
Iron II?
Iron III?
A
- Copper
- Sludgy green
- Reddish brown
2
Q
How do you test for ammonia?
A
It turns red litmus paper blue
3
Q
How do you test for chlorine?
A
It turns damp red litmus paper white
4
Q
How do you test for ammonium ions?
A
Add sodium hydroxide and test for ammonia
5
Q
Flames for Lithium? Sodium? Potassium? Calcium? Barium? Copper?
A
Lithium = crimson red Sodium = yellow orange Potassium = Lilac Calcium = Brick red Barium = Green Copper = Blue green
