Electrolysis is the interchange of atoms and ions by the removal or addition of electrons from the external circuit.Required products of electrolysis are in some different physical state from the electrolyte and can be removed.And Compounds which conduct electricity and undergo electrolysis are called electrolytes.In electrolysis, electrical energy is converted into chemical energy. For example, in the electrolysis of brine to produce hydrogen and chlorine,the products are gaseous.
This reaction is endothermic as bonds are broken down.
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