Home
Class 12
CHEMISTRY
The instrument in which combustion energ...

The instrument in which combustion energy of fuel like hydrogen and methane is directly converted to electrical energy is known as . . .

A

Fuel cell

B

Electrolytic cell

C

Dynamo

D

Ni-Cd cell

Text Solution

Verified by Experts

The correct Answer is:
A
Fuel cell.
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    KUMAR PRAKASHAN|Exercise SECTION-E MCQ.s Asked in GUJCET/Board Exam|55 Videos

  • ELECTROCHEMISTRY

    KUMAR PRAKASHAN|Exercise SECTION-E MCQ.s asked in Competitive Exam|24 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    KUMAR PRAKASHAN|Exercise SECTION - E (MCQs ASKED IN GUJCET/BOARD EXAM)|37 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    KUMAR PRAKASHAN|Exercise SECTION - E (MCQs ASKED IN GUJET/BOARD EXAMS)|46 Videos

Similar Questions

Explore conceptually related problems

What is the commercial unit of electrical energy?

1 unit = …… electric energy .

Fuel cells : Fuel cells are galvanic cells in which the chemical energy of fuel cell is directly converted into electrical energy. A type of fuel cell is a hydrogen - oxygen fuel cell. It consists of two electrodes made up of two porous graphite impregnated with a catalyst ( platinum, silver, or metal oxide ). The electrodes are placed in aqueous solution of NaOH . Oxygen and hydrogen are continuously fed into the cell. Hydrogen gets oxidized to H^(o+) which is neutralized by overset(c-)(O)H, i.e., anodic reaction. At cathode, O_(2) gets reduced to overset(c-)(O)H Hence, the net reaction is The overall reaction has DeltaH=-285.6 kJ mol^(-1) and DeltaG=-237.4 kJ mol^(-1) at 25^(@)C What is the value of DeltaS^(c-) for the fuel cell at 25^(@)C ?

Fuel cells : Fuel cells are galvanic cells in which the chemical energy of fuel cell is directly converted into electrical energy. A type of fuel cell is a hydrogen - oxygen fuel cell. It consists of two electrodes made up of two porous graphite impregnated with a catalyst ( platinum, silver, or metal oxide ). The electrodes are placed in aqueous solution of NaOH . Oxygen and hydrogen are continuously fed into the cell. Hydrogen gets oxidized to H^(o+) which is neutralized by overset(c-)(O)H, i.e., anodic reaction. At cathode, O_(2) gets reduced to overset(c-)(O)H Hence, the net reaction is The overall reaction has DeltaH=-285.6 kJ mol^(-1) and DeltaG=-237.4 kJ mol^(-1) at 25^(@)C Suppose the concentration of hydroxide ion in the cell is doubled, then the cell voltage will be

Explain electrical energy and power.

Write alown about energy of orbitals in hydrogen

Which instrument is used to convert electrical energy into mechanical energy ?

KUMAR PRAKASHAN-ELECTROCHEMISTRY-SECTION-E MCQ.s asked in JEE/NEET/AIEEE
  1. 5600 ml of O(2) is obtained by electrolysis at STP, then how much Ag i...

    Text Solution

    |

  2. If 2 faraday current is pass through CuSO(4) solution then find out ho...

    Text Solution

    |

  3. Which of the following aqueous solution is ideal for conductivity of c...

    Text Solution

    |

  4. The instrument in which combustion energy of fuel like hydrogen and me...

    Text Solution

    |

  5. In which of the following reaction oxidation of iron is not possible ?

    Text Solution

    |

  6. Which of the following compound require least amount of acidic KMnO(4)...

    Text Solution

    |

  7. Specific conductivity of 0.5 mol/dm^(3)" "AgNO(3) solution at 298 K te...

    Text Solution

    |

  8. How long 3 ampere current should be pass to obtain 0.1 mol Cl(2) gas t...

    Text Solution

    |

  9. If for any given reaction if E(cell)^(@) value is negative, then choos...

    Text Solution

    |

  10. Number of electrons liberated on cathode by passing 1 ampere current f...

    Text Solution

    |

  11. At 298 K temperature, how much pressure of H(2) is required to make hy...

    Text Solution

    |

  12. Which of the following is used as layer in galvanization ?

    Text Solution

    |

  13. For given, E(Cl(2)//Cl^(-))^(@)=1.36V,E(Cr^(3+)//Cr)^(@)=-0.74V E(...

    Text Solution

    |

  14. Find out molar conductivity of AgCl at infinite dilution. Given, Lam...

    Text Solution

    |

  15. In electronic watch zinc/silver oxidation cell is used, which gives fo...

    Text Solution

    |

  16. How long 100 amp current should be pass for electrolysis of water whic...

    Text Solution

    |

  17. Cell potential of Pt((S))|H(2)(g," 1 bar")|HCl((aq))|AgCl((S)) is 0....

    Text Solution

    |

  18. For the cell reaction 2Fe((aq))^(3+)+2I((aq))^(-) to 2Fe((aq))^(2+)+...

    Text Solution

    |

  19. Given that the standard potential , E^(@) of Cu^(2+)|Cu and Cu^(+)|Cu ...

    Text Solution

    |

  20. What will be the electrode potential for the given half cell reaction ...

    Text Solution

    |