The number of faradays required to produce one mole of water from hydrogen-oxygen fuel cell containing aqueous alkali as electrolyte is:A. 1B. 3C. 2D. 4

The number of faradays required to produce one mole of water from hydr

1.	The number of faradays required to produce one mole of water from hydrogen-oxygen fuel cell containing aqueous alkali as electrolyte is:A. 1B. 3C. 2D. 4
Answer» Correct Answer - C `overset(0)H_(2) +(1)/(2)O_(2) rarr overset(+1)H_(2) O^(-2) = 2F`

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Based on the data given below, the correcy order of reducing power is: `Fe_((aq.))^(3+) + e rarr Fe_((aq.))^(2+), E^(@) = +0.77 V` `Al_((aq.))^(3+) + 3e rarr Al_((s)), E^(@) = -1.66 V` `Br_(2(aq.)) + 2e rarr 2Br_((aq.))^(-), E^(@) = +1.08 V`A. `Br^(-) lt Fe^(2+) lt Al`B. `Fe^(2+) lt Al lt Br^-`C. `Al lt Br^(-) lt Fe^(2+)`D. `Al lt Fe^(2+) lt Br^(-)`
What are elementary reactions ?

The number of faradays required to produce one mole of water from hydrogen-oxygen fuel cell containing aqueous alkali as electrolyte is:A. 1B. 3C. 2D. 4

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