C2 - Electrolysis Of Sodium Chloride Solution Flashcards
1
Q
What will happen at the cathode if metal ions & H+ ions are present and why?
A
The metal ions will stay in solution if the metal is more reactive than hydrogen.
The more reactive, the keener it is to stay as ions.
2
Q
What will be produced at the cathode if metal ions & H+ ions are present?
A
Hydrogen will be produced unless the metal is less reactive.
3
Q
What will happen at the anode if halide ions & OH- ions are present?
A
Halide molecules are formed.
4
Q
What will happen at the anode if no halide ions are present?
A
Oxygen will be formed.
5
Q
What happens when a salt is dissolved in water, regarding ions?
A
H+ & OH- ions are also present.
