In H(2)-O(2) fuel cell the reaction occu...

In `H_(2)-O_(2)` fuel cell the reaction occur at cathode is

`O_(2)(g)+2H_(2)O(l)+4e^(-) rarr 4OH^(-)(aq)`

`H^(+)(aq)+OH^(-)(aq) rarr H_(2)O(l)`

`2H_(2)(g)+O_(2)(g) rarr 2H_(2)O(g)`

`H^(+)+e^(-) rarr 1/2H_(2)`

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