1.

The reaction at anode in a fuel cell is

Answer»

`PB + SO_(4)^(2-) to Pb SO_(4) + 2 e^(-)`
`2H_(2) + 4 OH^(-) to 4 H_(2)O +4e^(-)`
`O_(2) + 2 H_(2)O + 4e^(-) to 4OH^(-)`
`2H_(2) + O_(2) to 2H_(2)O`

Solution :It is a FACT .


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