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Electrochemical Cells, Galvanic Cells

H2-O2 fuel ce...

Question

$H_{2} - O_{2}$ fuel cell is:

primary cell

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secondary cell

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both

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cant be predicted

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Solution

The correct option is B secondary cell
The hydrogen-oxygen fuel cell is the secondary voltaic cell. When the direction of current is reversed, the original reactants can be regenerated and the cell can be recharged.

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Similar questions

H_{2}

O_{2}

H_{2} - O_{2}

H_{2}

- O_{2}

If the cell voltage is 1.23 V for the $H_{2} - O_{2}$ fuel cell and for the
half cell :

O_{2} + 2 H_{2} O + 4 e^{-} ⇌ 4 ⊖ O H

E^{⊖} = 0.40 V

E^{⊖}

2 H_{2} O + 2 e^{-} ⇌ H_{2} + 2 ⊖ O H

(H_{2} + O_{2})

H_{2}

⊖ O H

[⊖ O H]

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