C-08-Q155mediumsingle_mcqAt the cathode of molten NaCl electrolysis:aClX−→12 ClX2+eX−\ce{Cl- -> 1/2 Cl2 + e-}ClX−2bNaX++eX−→Na\ce{Na+ + e- -> Na}NaX++eXcNa→NaX++eX−\ce{Na -> Na+ + e-}NaNad2 HX2O→OX2+4 HX++4 eX−\ce{2H2O -> O2 + 4H+ + 4e-}2HX2