1.

In H_(2)-O_(2) fuel cell the reaction occur atcathode is

Answer»

`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)`

Answer :A


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