On the contrary, electrolytic cells use up electrical work to power unfavorable redox reactions, such as as decomposition reactions. Now, we already spoke about the decomposition of molten sodium chloride. Now we're going to talk about the decomposition of aqueous sodium chloride. And this guy is a little bit different because our solvent is water. When we talk about molten sodium chloride, we didn't have any solvent. So let's see how our solvent, namely water, affects our reaction.