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In a hydrogen oxyge fuel cell, electricity is produced. In this process `H_2`(g) is oxided at anode and `O_2`(g) reduced at cathode Given: Cathode `O_2(g)+2H_2O(l)+4e^(-)to4OH^(-)(aq)` Anode `H_2(g)+2OH^(-)(aq)to2H_2O(l)+2e^(-)` 4.48 litre `H_2` at 1atm and 273 k oxidised in 9650 sec. The mass of water produced is :A. 7.2gB. 3.6gC. 1.8gD. 0.9g |
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Answer» Correct Answer - B |
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