Home
Class 12
CHEMISTRY
The approximate emf of a dry cell is :...

The approximate emf of a dry cell is :

A

`2.0 V`

B

`1.2V`

C

6V

D

`1.5`V

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • COORDINATION COMPOUNDS

    MBD PUBLICATION|Exercise QUESTION BANK|914 Videos

  • ENVIRONMENTAL CHEMISTRY

    MBD PUBLICATION|Exercise QUESTION BANK|299 Videos

Similar Questions

Explore conceptually related problems

What is electrode potential ? Write the expression for the emf of a cell in terms of oxidation potential.

The emf of the cell involving following changes Zn(s)+Ni^(2+)(1M)rarrZn^(2+)(1M)+Ni(s) is 0.5105V. The standard emf of the cell is :

In an open circuit the emf of the cell is

The standard emf of a galvanic cell involving 2 moles of electrons in its redox reaction is 0.59 V . The equilibrium constant for the redox reaction of the cell is

The cell drives current through a circuit when the circuit is closed. In a closed circuit the emf of the cell is

Define emf of a cell or cell potential .

MBD PUBLICATION-ELECTROCHEMISTRY-QUESTION BANK
  1. The cell reaction for the given cell is spontaneous if :Pt | Cl2|CI^(-...

    Text Solution

    |

  2. Passage of threee faraday of charge through aqueous solution of AgNO3,...

    Text Solution

    |

  3. The approximate emf of a dry cell is :

    Text Solution

    |

  4. Which gains electrons more easily :

    Text Solution

    |

  5. Which will increase the voltage of the cell Sn(s) +2Ag^+(aq)rarr Sn^(...

    Text Solution

    |

  6. During electrolysis of fused CaH2,H2 is liberated at :

    Text Solution

    |

  7. Which defines the standard reduction electrode potential of Zn^(2+) io...

    Text Solution

    |

  8. In which cell, electrical energy is converted into chemical energy:

    Text Solution

    |

  9. E^@ for Fe^(2+) +2e rarrFe is -0.44 volt and E^@ for Zn^(2+) +2e rarrZ...

    Text Solution

    |

  10. In a galvanic cell, which is wrong :

    Text Solution

    |

  11. Using same quantity of current , which among Na, Mg and AI is deposite...

    Text Solution

    |

  12. A metal having negative reduciton potential when dipped in the solutio...

    Text Solution

    |

  13. In electrochemical corrosion of metals, the metal undergoing corrosion...

    Text Solution

    |

  14. The metal which cannot liberate H2 from hydrochloric acid is :

    Text Solution

    |

  15. KCl (aq) cannot be used as a salt bridge for the cell Cu(s)|CuSO4(aq)|...

    Text Solution

    |

  16. The calomel electrode is reversible with respect to:

    Text Solution

    |

  17. Standard reduction potential of an element is equal to:

    Text Solution

    |

  18. Beryllium is placed above magnesium in the II group. Beryllium dust, t...

    Text Solution

    |

  19. For the cell Zn|Zn^(2+)||Cu^(2+)|Cu if the concentration of Zn^(2+) an...

    Text Solution

    |

  20. Copper can be deposited from acidified copper sulphate and alkaline cu...

    Text Solution

    |