Electrolysis of S alt S olution. na-_sue2010. Aim. Complete an electrical circuit, do experiment electrolysis of salt solution using carbon electrode with natural indicator and see change the color . . APPRATUS /CHEMICALS. Result. Experiment using the U tube.
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Experiment using the U tube
NaCl(aq)→ Na+ + Cl-
Na2SO4(aq)→ 2Na+ + SO42-
KI (aq)→ K+ + I-
Experiment that use blue litmus, sodium chloride solution after electrolysis at the part of catode there is no change of color (still blue),and at anode the color change be red and the end is white.