define:- qualitative aspect of electrolysis.
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Qualitative Aspects of Electrolysis. In the electrolysis process we have discussed above, we have taken molten salt as electrolyte, which contains only one cation and one anion. ... The ability of an ion to get oxidized or reduced depends on the size, mass, positive charge, negative charge, etc.
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It is a process in which ionic substances ( they are charged particle) are decomposed into the simpler substances when an electric current is pass through it.
Example :- Sodium (Na), magnesium (Mg) and calcium (Ca) are obtain by electrolysis of their molten chlorides. The metals are deposited at the cathode ( they are negatively charged ion ) whereas chlorine is liberated at the anode ( they are positively charged ion ).
At cathode :- Na^+ + e^- --> Na
At anode :- 2Cl^- --> Cl2 + 2e^-