Home
Class 12
CHEMISTRY
Reduction of takes place in fuel cell....

Reduction of ______ takes place in fuel cell.

A

`O_(2)`

B

`H_(2)`

C

`OH^(-)`

D

`O^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
A

Oxygen gains electrons. `O_(2)+4e^(-) to 2O^(--)`
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    MARVEL PUBLICATION|Exercise Test your Grasp|50 Videos
  • ELECTROCHEMISTRY

    MARVEL PUBLICATION|Exercise Test your Grasp|50 Videos
  • D AND F BLOCK ELEMENTS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|60 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MARVEL PUBLICATION|Exercise Test Your Grasp|30 Videos

Similar Questions

Explore conceptually related problems

Fuel Cells

Mitosis takes place in somatic cells and ______ takes place in _______ cells.

Reaction taking place in a fuel cells are:

Mitosis takes place in somatic cells and __________ takes place in _________ cells.

In pteridophytes, reduction division takes place in :-

Active division takes place in the cells of

MARVEL PUBLICATION-ELECTROCHEMISTRY-Previous years Entrance Exams MCQ
  1. The e.m.f. of the followig cell, Zn|underset((1M))(ZnSO(4))||unders...

    Text Solution

    |

  2. In SHE, platinum act as

    Text Solution

    |

  3. Reduction of takes place in fuel cell.

    Text Solution

    |

  4. De-electronation in electrochemical cell is called as

    Text Solution

    |

  5. For reaction M to M^(n+)+"ne"^(-)

    Text Solution

    |

  6. Mg + Cu^(2+) to Mg^(2+) +Cu , What is E("cell")^(0) ? E(Mg^(2+)//Mg...

    Text Solution

    |

  7. Electrochemical equlivalent weight of Cu is 3.29 xx 10^(-4) g. Cu is d...

    Text Solution

    |

  8. The number of electrons required to reduce 4.5 xx 10^(–5) g of Al^(+3)...

    Text Solution

    |

  9. When 10 ampere current is passed for 80 min., volume of H(2) gas liber...

    Text Solution

    |

  10. SRP of Sn^(2+)//Sn^(4+) is 0.5 , SRP of Au//Au^(3+) is 1.5, give react...

    Text Solution

    |

  11. Oxidation potential of unimolar calomel electrode is

    Text Solution

    |

  12. Cd|Cd^(2+)||Fe^(3+)|Fe^(2+) reaction, on +ve electrode is

    Text Solution

    |

  13. One ampere and one second = electrons.

    Text Solution

    |

  14. Molten sodium chloride conducts electricity due to the presence of

    Text Solution

    |

  15. The electrode potential of oxidation half cell

    Text Solution

    |

  16. 1 mole of electrons is passed through three electrolytic cells in seri...

    Text Solution

    |

  17. In the electrolysis of H(2)SO(4) 0.2 gram hydrogen is produced, hence ...

    Text Solution

    |

  18. For the reaction , H(2(g))+Hg(2)Cl(2) to 2Hg((l))+2HCl((aq)) elect...

    Text Solution

    |

  19. To reduce 5 gram equivalents of cupric ions (Cu^(2+)) to solid copper ...

    Text Solution

    |

  20. To prevent corrosion, iron pipes carrying drinking water are covered w...

    Text Solution

    |