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Question
Give an example with a balanced equation, of the following reaction:
electrochemical reaction
Solution
Example of electrochemical reaction:
(i) \[\ce{\underset{\text{acidified}}{2H2O}->[electric][current]\underset{\text{at cathode}}{2H2} + \underset{\text{at anode}}{O2}}\]
(ii) \[\ce{\underset{\text{fused}}{NaCl}⇌[electric current]\underset{\text{Ions}}{Na^1+ + Cl^1-}}\]
At Cathode: \[\ce{Na^1+ + e- ->\underset{\text{(metal)}}{Na}}\]
At Anode: \[\ce{2Cl^1- - 2e- ->Cl2}\]
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