Products of electrolysis GCSE

Metal ions have which charge?

• +

• -

Non-metal ions have which charge?

• +

• -

PANIC - The positve electrode is called the _______

• Anode

• Cathode

PANIC - The negative electrode is called the _______

• Anode

• Cathode

Metal ions are attracted to the

• Anode

• Cathode

Non-metal ions are attracted to the

• Anode

• Cathode

The rule for products at the anode (positive electrode) is that ____________ always forms unless there are halide (group 7) ions.

• O₂

• H₂

• OH^-

• H⁺

CO₃^2- and OH^- are attracted to the positive electrode (anode). What gas forms?

• OH^-

• CO_2

• O_2

• H_2

NO₃^- and OH^- are attracted to the positive electrode (anode). What gas forms?

• OH^-

• NO₃^-

• O_2

• H_2

SO₄^2- and OH^- are attracted to the positive electrode (anode). What gas forms?

• OH^-

• SO₄^2-

• O_2

• H_2