Home
Class 12
CHEMISTRY
The SRP of cadmium and copper electrodes...

The SRP of cadmium and copper electrodes are `-0.4` volt and +0.34volt respectively. The e.m.f. of the cell formed from them is

A

0.74Volt

B

`-0.06` volt

C

`-0.74 `volt

D

`+0.06 `volt

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    MARVEL PUBLICATION|Exercise Previous years Entrance Exams MCQ|55 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

The standard reduction potential of Pb and Zn electrodes are -0.126 and -0.763 volts respectively . The e.m.f of the cell Zn|Zn^(2+)(0.1M)||Pb^(2+)(1M)Pb is

The emf of the cells obtained by combining zinc and copper electrodes of the Daniell cell with calomel electrodes are 1.083 volt and -0.018 volt respectively at 25^(@)C . If the reduction potential of normal calomel electrode is + 0.28 volt, find the emf of the Daniell cell.

E^(o) ""_(RP)" for " Fe^(+2)//Fe and Sn^(+2)//Sn electrodes are - 0.75 and - 0.45 volt respectively. The standard emf for cell F^(+2)+Sn rarr Sn^(+2) + Fe is :

The standard electrode potentials of Zn, Ag and Cu are -0.76, 0.80 and 0.34 volt respectively, then:

The standard reduction potentials of Cu^(2+)//Cu and Ag^(+)//Ag electrodes are 0.337 volt and 0.799 volt respectively. Construct a galvanic cell using these electrols so that its standard e.m.f. is positive. For what concentration of Ag^(+) , will the e.m.f. of the cell at 25^(@)C be zero if the concentration of Cu^(2+) is 0.01 M.

The standard reduction potential for Fe^(2+) //Fe and Sn^(2+) //Sn electrodes are -0.44 and -0.14 volt respectively. For the given cell reaction Fe^(2+) + Sn rarr Fe + Sn^(2+) , the standard EMF is.

The value of E_(red)^(@) for metals A,B and are 0.34 Volt , -0.80 Volt and -0.46 volt respectively. State the CORRECT order for their ability toact as reducing agent.

The standard electrode potentials for the reactions, Ag^(+) (a.q) + e^(-) rarr Ag (s) Sn^(2+) (a.q) + 2e^(-) rarr Sn (s) at 25^(@)C are 0.80 volt and -0.14 volt respectively. The emf of the cell Sn|Sn^(2+) (1M)|| Ag^(+) (1M) | Ag is:

The standard electrode potential for the reactions, Ag^(+)(aq)+e^(-) rarr Ag(s) Sn^(2+)(aq)+2e^(-) rarr Sn(s) at 25^(@)C are 0.80 volt and -0.14 volt, respectively. The emf of the cell Sn|Sn^(2+)(1M)||Ag^(+)(1M)Ag is :

MARVEL PUBLICATION-ELECTROCHEMISTRY-Test your Grasp
  1. The ECE of metal is z the mass of metal deposited by the passage of 50...

    Text Solution

    |

  2. The oxidation potential of Zn, Mg , Ni and Cu are -0.76 V, 2.37V, 0.25...

    Text Solution

    |

  3. In the lead storage battery during discharging

    Text Solution

    |

  4. The substance obtained at the cathode on electrolysis of NaOH solution

    Text Solution

    |

  5. When zinc rod is directly placed in copper sulphate solution /

    Text Solution

    |

  6. The e.mf. Of a cell depends on

    Text Solution

    |

  7. If m is the mass of a substance with equivalent weight E and Q is quan...

    Text Solution

    |

  8. When a lead storage battery is charged:

    Text Solution

    |

  9. The following four colourless salt solutions are placed in separate te...

    Text Solution

    |

  10. What will happen when copper spon is used to stir a solution of alumin...

    Text Solution

    |

  11. If a salt bridge is removed between the two half cells in an experimen...

    Text Solution

    |

  12. The quantity of electricity required to librate 0.1 g equivalent of an...

    Text Solution

    |

  13. The e.m.f of a cell containing of standard hydrogen electrode and a zi...

    Text Solution

    |

  14. The SRP of cadmium and copper electrodes are -0.4 volt and +0.34volt r...

    Text Solution

    |

  15. The e.m.f of the cell Zn|Zn^(2)||Cu^(2+)|Cu can be increased by

    Text Solution

    |

  16. The conduction of electricity occurs by a direct low of electrons unde...

    Text Solution

    |

  17. The current flow in electrolytic conductors is due to

    Text Solution

    |

  18. Which of the following acid is involved in corrosion of iron ?

    Text Solution

    |

  19. During corrosion, iron is coated by

    Text Solution

    |

  20. A hydrogen gas electrode is made by dipping platinum wire in a solutio...

    Text Solution

    |