Electrolysis Lab

Compare electrolytic cells, follow the moving ions and connect visible observations to electrode equations.

ExperimentMolten sodium chloride

StateMolten electrolyte

CathodeInert (−)

AnodeInert (+)

Interactive 3D modelReady

Drag to rotate · pinch to zoom

Model not to scale

Interactive 3D view · simplified particles and apparatus

Cations (to Cathode -)	Anions (to Anode +)

Experiment controls

Choose a cell, then start the power supply.

Electrolyte and electrodes

Watch Na⁺ move to the cathode and Cl⁻ move to the anode.

Cathode (−) · reduction

Start to observe

Anode (+) · oxidation

Start to observe

Electrolyte

Start to observe

Cathode half-equation

Shown when started

Anode half-equation

Shown when started

Overall equation

Shown when started