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In a hydrogen - oxygen fuel cell, combus...

In a hydrogen - oxygen fuel cell, combustion of hydrogen occurs to

A

generate heat

B

remove adsorbed oxygen from electrode surfaces

C

produce high purity water

D

create potential difference between the two electrodes

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The correct Answer is:
D
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AAKASH SERIES-ELECTROCHEMISTRY -LEVEL-I ( EXERCISE-I)
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  2. For a spontaneous reaction the DeltaG , equilibrium constant (K) and E...

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  3. For the reaction Pt// H2 (1 atm) // H^(+) (aq) // // Cl^(-) (aq) // Ag...

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  4. The relationship between free energy and electrode potential is

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  5. When an electric cell is charged, then

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  6. When lead storage battery is discharged

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  7. When lead storage battery is charged

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  8. During the charging of lead storage battery, the reaction occuring at ...

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  9. With respect to fuel cell prepared from H2 and O2 gases, the false sta...

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  10. Hydrogen - oxygen fuel cells are used in space prograins to supply

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  11. In a hydrogen - oxygen fuel cell, combustion of hydrogen occurs to

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  12. Which of the following reactions is used to make a fuel cell ?

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  13. Corrosion is basically a/an

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  14. In which of the following will the corrosion of iron be most rapid ?

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  15. Which of the following metals acts as a sacrificial anode for iron art...

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  16. The composition of rust is

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  17. Zinc is used to protect corrosion of iron because

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  18. The Zn acts as sacrificial or cathodic protection to prevent rusting o...

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  19. The corrosion of iron object is favoured by

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  20. Galvanization includes plating iron with

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