What are electrolysis reactions Chemistry FuseSchool

Electrolysis is the flow of an electric current through a liquid that causes chemical changes. The liquid can be a molten ionic compound or an aqueous solution. The liquid will contain positive ions and negative ions fluid. Positive ions are called cations and negative ions are called anions.

The electrodes are immersed in the liquid (electrolyte solution) and connected to an electric cell. Electrons will begin to flow through the wires, causing one electrode to be positively charged (the anode) and the other negatively charged (the cathode). This has an immediate effect on the melted liquid and the ions it contains. The positive ions in the liquid (electrolyte) are attracted to the negative electrode (cathode). The negative ions present in the liquid (electrolyte) will be attracted towards the positive electrode (anode). This is because opposite electrical charges attract each other. When the ions meet the electrodes, an exchange of electrons occurs and triggers a chemical reaction. Remember that electrolysis can also take place in ionic solutions as well as in molten compounds. The more concentrated the solution, the higher the ion flow. The ion flow rate can also be increased by increasing the potential difference or voltage across the cell.

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