Back to Chemistry

What is electrolysis?
How did electrolysis start?
How did electrolysis start: example 1
How did electrolysis start: example 2
How did electrolysis start: example 3
How did electrolysis start: example 4
The reactivity series and electrolysis
The rules of electrolysis
Rule 1: electrolysis and hydrogen
Rule 2: electrolysis and halogens
Rule 3: electroplating
Electrolysis: useful definitions and helpful hints
Electrolyte = liquid
Cathode and anode (1)
Cathode and anode (2)
Oxidation and reduction
Cations and anions (1)
Cations and anions (2)
Electrodes are normally inert
Electrolysis and water
Electrolysis: dissociate in liquid
Half equations
Electrolysis with different substances - example 1: NaCl and water
Products of electrolysis on salt water
Electrolysis with different substances - example 2: copper (ii) chloride

Feedback Privacy statement

Cations and anions (2)

Cations swim towards the cathode.

Cations swim to the cathode — Cats (cations) swimming towards the cathedral (cathode) during electrolysis. And, because cations are pawsitive (positive) the cathode must be negative.

More Info