Chemistry GCSE
Reactivity series and cathode discharge
What Reactivity series and cathode discharge means in Chemistry GCSE, as defined for AQA.
Definition of Reactivity series and cathode discharge
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Reference: AQA
The less reactive positive ion is usually discharged at the cathode; if the metal is more reactive than hydrogen, hydrogen is produced instead.
Topics that use Reactivity series and cathode discharge
- Electrolysis of aqueous solutions (AQA GCSE)
Related terms
- Anode
- Electrolysis of aqueous solutions
- Half-equations for reduction
- Halide preference at the anode
- Hypothesis development and testing
- Identification of electrode products
- Inert electrodes and control variables
- Ion competition in aqueous solution
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