Write chemical reaction in nelson cell
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The reactions areAt anode:At cathode:(from water) It may be noted here that it is H+(aq) and not Na+(aq) which is involved in the electrode reaction (reduction) at the cathode. The presence of free Na+(aq) and OH−(aq) in the solution thus yields NaOH solution. Hydrogen gas is obtained as a by–product at the cathode.
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Three types of electrolytic cell are used to produce sodium hydroxide from ... Diaphragm prevents hydroxide ions entering anode compartment and ... Overall cell reaction (showing Na+ spectator ions):
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