Home
Class 12
CHEMISTRY
(a) What are fuel cells ? Explain the el...

(a) What are fuel cells ? Explain the electrode reactions involved in the working of `H_(2)-O_(2)` fuel cell.
(b) Represent the galvanic cell in which the reaction
`Zn(s) + Cu^(2)(aq) to Zn^(2+) (aq) + Cu(s)` takes place.

Text Solution

Verified by Experts

Representation of the galvanic cell for the given reaction is:
`ZN|ZN_(aq)^(2+)||Cu`
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    VMC MODULES ENGLISH|Exercise Level-0 (Very short Answer Type )(1Marks)|1 Videos
  • ELECTROCHEMISTRY

    VMC MODULES ENGLISH|Exercise Level-0 ( Short Answer Type - I) (2Marks)|9 Videos
  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    VMC MODULES ENGLISH|Exercise JEE ADVANCE (ARCHIVE)|30 Videos
  • ENVIRONMENTAL CHEMISTRY

    VMC MODULES ENGLISH|Exercise JEE Main (Archive)|39 Videos

Similar Questions

Explore conceptually related problems

Depict the galvanic cell in which the cell reaction is Cu+2Ag^(+)rarr2Ag+Cu^(2+)

The cell reaction Zn(s) + Cu^(+2)rarr Zn^(+2) + Cu(s) is best represented as :

Represent the cell for the reaction Mg_(s)+Cu_(aq)^(+2)rarrMg_(aq)^(+2)+Cu_(s)

What is the limitation of the reaction given Zn(s) +2HCl (aq) to ZnCl_2 (aq) + H_2uarr

What are fuel cells ? Write the electrode reactions of a fuel cell which uses the reaction of hydrogen with oxygen.

Complete the reactions : Zn(s)+2HCl(aq) to ….. + H_2 uarr

In H_(2)-O_(2) fuel cell, the reaction occurring at cathode is

In H_(2)-O_(2) fuel cell, the reaction occurring at cathode is

Write Nernst equation for the following cell reaction : Zn"|"Zn^(2+)(aq)"||"Cu^(2+)(aq)"|"Cu(s)

Calculate the standard free enegry change for the reaction: Zn + Cu^(2+)(aq) rarr Cu+Zn^(2+) (aq), E^(Theta) = 1.20V

VMC MODULES ENGLISH-ELECTROCHEMISTRY-IMPECCABLE
  1. (a) What are fuel cells ? Explain the electrode reactions involved in ...

    Text Solution

    |

  2. Standard reduction potentials of the half reactions are given below ...

    Text Solution

    |

  3. Molar conductivities (lamda(m)^(@)) at infinite dilution of NaCl, HCl ...

    Text Solution

    |

  4. A solution contains Fe^(2+), Fe^(3+) " and " I^(-) ions. This solution...

    Text Solution

    |

  5. The standard cell potential of: Zn(s) abs( Zn^(2+) (aq) )abs( Cu^(2+...

    Text Solution

    |

  6. 9.65 C of electric current is passed through fused anhydrous MgCl(2) ....

    Text Solution

    |

  7. Which pair of electrolytes cannot be distinguished by the products of ...

    Text Solution

    |

  8. Which of the following has the highest molar conductivity in solution ...

    Text Solution

    |

  9. A current is passed through two cells connected in series. The first c...

    Text Solution

    |

  10. Two different electrolytic cells filled with molten Cu(NO3)(2) and mol...

    Text Solution

    |

  11. An increase in equivalent conductance of a strong electrolyte with dil...

    Text Solution

    |

  12. The compound exhibiting maximum value of equivalent conductance in fus...

    Text Solution

    |

  13. At 18^(@) C, the conductance of H^(+) and CH3COO^(-) at infinite dilut...

    Text Solution

    |

  14. A certain quantity of electricity deposits 0.54 g of silver from AgNO3...

    Text Solution

    |

  15. The unit of specific conductance is:

    Text Solution

    |

  16. How many coulombs are required to deposit 50 g of aluminium when the e...

    Text Solution

    |

  17. In a cell that utilises the reaction. Zn(s) +2H^(+)(aq) rarr Zn^(2+)...

    Text Solution

    |

  18. Give the products available on the cathode and the anode respectively ...

    Text Solution

    |

  19. The conductivity of 0.20 M solution of KCl at 298 k is 0.023 S cm^(-1)...

    Text Solution

    |

  20. Conductivity of 0.01 M NaCl solution is 0.00147" ohm"^(-1) cm^(-1) . W...

    Text Solution

    |

  21. When same quantity of electricity is passed for half an hour, the amou...

    Text Solution

    |