C5 - Ionic equations and precipitation Flashcards
1
Q
What can lead nitrate be used to test for?
A
Halide ions:
Cl-
Br-
I-
2
Q
What precipitate colour does chlorine ions form?
A
White
3
Q
What precipitate colour does bromine ions form?
A
Cream
4
Q
What precipitate colour does iodine ions form?
A
Bright yellow
5
Q
What does barium chloride test for?
A
This is used to test for sulfate ions.
6
Q
Describe the method for preparing an insoluble salt.
A
1) mix the solutions of the reactants
2) filter the precipitate
3) wash the precipitate with distilled water
4) dry the precipitate
7
Q
What are spectator ions?
A
Ions that do not directly take part in the reaction.
