sodium is manufactured commercially by electrolysis of molten sodium chloride. explain why it is not possible to use sodium chloride solution for this.

Answer 1

http://chem.lapeer.org/Chem2Docs/chlorine.html

Answer 2

that is because it will electrolysis the water into H2 and O2 ...
it takes more energy to electrolysis NaCL to Na and Cl2 than H2O to H2 and O2