1.

The reaction takes place at anode in H_2 - O_2fuel cell is

Answer»

`2H_2O + O_2 + 2E^(-) to 4OH^(-)`
`H_2 + 2OH^(-) to 2H_2O + 2e^(-)`
`2H_2 + O_2 to2H_2O`
`2H_2O to 2H_2 + O_2`

ANSWER :B


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