In a hydrogen-oxygen fuel cell, combustion of hydrogen occurs to :A. remove adsorbed oxygen from electrode surfacesB. create potential difference between the two electrodesC. produce high purity waterD. generate heat

In a hydrogen-oxygen fuel cell, combustion of hydrogen occurs to :A. r

1.	In a hydrogen-oxygen fuel cell, combustion of hydrogen occurs to :A. remove adsorbed oxygen from electrode surfacesB. create potential difference between the two electrodesC. produce high purity waterD. generate heat
Answer» Correct Answer - B `{:(2H_(2)+4OH_((aq.))^(-)rarr4H_(2)O_((l))+4e),(O_(2(g))+2H_(2)O_((l))+4erarr4OH_((aq.))^(-)):}/(2H_(2)+O_(2(g))rarr2H_(2)O_(l),E_(cell)^(@)=+ve)` Fuel cell involves direct conversion of chemical energy to electrical energy.

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In a hydrogen-oxygen fuel cell, combustion of hydrogen occurs to :A. remove adsorbed oxygen from electrode surfacesB. create potential difference between the two electrodesC. produce high purity waterD. generate heat

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