TESTS Flashcards
1
Q
What is the test for sulfate ions?
A
Sulfate solution reacts with barium chloride and a white precipitate of insoluble barium sulfate is formed.
e.g: sodium sulfate + barium chloride ~> sodium chloride + barium sulfate
2
Q
What happens when copper is added to dilute sodium hydroxide solution?
A
It turns blue (jelly like precipitate formed)
3
Q
What happens when iron (II) is added to dilute sodium hydroxide solution?
A
It turns green (jelly like precipitate formed)
4
Q
What happens when iron (III) is added to dilute sodium hydroxide solution?
A
Brown (jelly like precipitate formed)