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

  • Option 1)

    generate heat

  • Option 2)

    create potential difference between the two electrodes

  • Option 3)

    produce high purity water

  • Option 4)

    remove adsorbed oxygen from electrode surface.

 

Answers (1)

As we learnt in

Uses of Hydrogen -

1)     For the synthesis of ammonia (NH3).

2)    For the production of methanol.

3)    In Oxyhydrogen tourches.

4)    In a fuel cell.

- wherein

Haber's Process.

 

 

Fuel cells generate pioneer by establishing potential difference between 2 electrodes.


Option 1)

generate heat

This option is incorrect.

Option 2)

create potential difference between the two electrodes

This option is correct.

Option 3)

produce high purity water

This option is incorrect.

Option 4)

remove adsorbed oxygen from electrode surface.

This option is incorrect.

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