Home
Class 12
CHEMISTRY
E^@ values of Zn^(2+), Zn and Cu^(2+), ...

`E^@` values of `Zn^(2+), Zn and Cu^(2+), Cu` are respectively `-0.76 V and + 0.34`. Calculate the EMF of the cell `Zn//Zn^(2+) (0.1M)"//"Cu^(2+)(0.1 M)//Cu`.

Text Solution

Verified by Experts

The correct Answer is:
1.1 V
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    AAKASH SERIES|Exercise Subjective Exercise -3 ( Very Short Answer Questions)|3 Videos

  • ELECTROCHEMISTRY

    AAKASH SERIES|Exercise Subjective Exercise -4 (Long Answer Questions)|3 Videos

  • ELECTROCHEMISTRY

    AAKASH SERIES|Exercise Subjective Exercise -3 (Long Answer Questions)|2 Videos

  • DILUTE SOLUTIONS

    AAKASH SERIES|Exercise EXERCISE - 1.2|55 Videos

  • ELEMENTS OF D - BLOCK

    AAKASH SERIES|Exercise EXERCISE - 5.2|33 Videos

Similar Questions

Explore conceptually related problems

E_(Cu^(2+)|Cu)^@ = +0.337 V, E_(Zn^(2+)| Zn)^@ = - 0.762 V. The EMF of the cell , Zn|Zn^(2+) (0.01M)||Cu^(2+) (0.01M)|Cu is

The standard reduction potentials of Zn^(2+)//Zn,Cu^(2+)//Cu and Ag^(+)//Ag are respectively -0.78, 0.34 and 0.8 V. The following cells were constructed: (1) Zn |Zn^(2+)|| Cu^(2+)|Cu (2) Zn |Zn^(2+)|| Ag^(+)|Ag (3) Cu |Cu^(2+)|| Ag^(+)|Ag What is the correct order of of these cells?

E^@ of In^(3+), In^(+) and Cu^(2+)m Cu^(+) are -0.4 V and -0.42 V respectively, Calculate the equilibrium constant for the reaction. In^(2+) + Cu^(2+) to In^(3+) + Cu^(+) at 25^@C .

E^(0) for the half cell Zn^(2+) // Zn is - 0.76 V . Emf of the cell Zn// Zn^(2+)(1M) // //H^(+)(1M) // H_2 at 1 atm is

The emf of the following three galvanic cells are respresented by E_(1), E_(2) and E_(3) respectively. Which of the following is correct? (i) Zn//Zn^(2+) (1M)// //Cu^(2+)(1M)//Cu (ii) Zn//Zn^(2+) (0.1M)// //Cu^(2+)(1M)//Cu (iii) Zn//Zn^(2+)(1M)// //Cu^(2+)(0.1M)//Cu

The S.R.Ps of Cu^(2+) // Cu , Hg^(2+)//Hg and Zn^(2+)//Zn are respectively 0.34 V , 0.85 V and -0.76 V . The wrong statement is

E_0 values of Zn^(2+), Zn , Mg^(2+), Mg and Cu^(2+), Cu are -0.76 V, -2.36 and 0.34 V respectively. (a) Which metal can be extracted even from its aqueous solutions by electrolysis ? (b) Which metal acts as best reductant ? Write reactions .

The value of the reaction quotient ,Q for the cell Zn(s) |Zn^(2+) (0.01M)||Ag^(+)(1.25M)|Ag(s) is :

Calculate the EMF of Zn//Zn^(2+)(0.1)"//"Cu^(2+)(0.1)//Cu E^(@) of Zn^(2+)//Zn = 0.762V , E^(@) of Cu^(2+)//Cu = +0.337V

AAKASH SERIES-ELECTROCHEMISTRY -Subjective Exercise -3 (Short Answer Questions)
  1. Describe the constitution of standard hydrogen electrode.

    Text Solution

    |

  2. How are the cells systemically represented ? Given examples.

    Text Solution

    |

  3. E^@ values of Zn^(2+), Zn and Cu^(2+), Cu are respectively -0.76 V a...

    Text Solution

    |

  4. The potential of the cell Cu, Cu^(2+) (0.1M)"//"HCl (xM), Cl(2), Ptis...

    Text Solution

    |

  5. E^@ for Mg to 2e^(-) + Mg^(2+) is + 2.37 V and for Cu to 2e^(-) + Cu ...

    Text Solution

    |

  6. E^(@) value of Co^(2+), Co, Al^(3+) , Al , Ag^(+), Ag and Ba^(2+), Ba ...

    Text Solution

    |

  7. Two students use of the same stock solutions of zinc sulphate and a so...

    Text Solution

    |

  8. Calculate the Electrode potential of single electrode. Cu^(2+)(0.01M)...

    Text Solution

    |

  9. Standard reduction potential of I(3)^(-), I^(-) and Fe^(3+), Fe^(2+) ...

    Text Solution

    |

  10. Calculate single electrode potential of Pt, Cl(2)//Cl^(-) (0.01)(E^(@...

    Text Solution

    |

  11. Calculate the EMF of Zn//Zn^(2+)(0.1)"//"Cu^(2+)(0.1)//Cu E^(@) of Zn^...

    Text Solution

    |

  12. Calculate the EMF of cell Ni//Ni^(2+) (0.01M)"//"Cl^(-)0.1M//Cl(2), ...

    Text Solution

    |

  13. Calculate the EMF of the cell formd from Ag & Ni electrodes E^(@).Ag^...

    Text Solution

    |

  14. Write the cell reactions of the cell fored from Sn^(2+)//Sn, Pb^(2+...

    Text Solution

    |

  15. Calculate electrode potential of Zn^(2+)(0.1M)//Zn"||"Cl^(-)(0.01)/...

    Text Solution

    |

  16. Calculate the EMF of the cell Cu//Cu^(2+)(0.1M)"//"Cl^(-) (0.01)// ...

    Text Solution

    |

  17. What is nernst equation. Calculate the EMF of the galvanic cell constr...

    Text Solution

    |

  18. Electrode potentials of Cu^(2+)//Cu and Ag^(+)//Ag electrodes are + ...

    Text Solution

    |

  19. E^(@)Zn^(2+)//Zn = -0.77V. What is the 'E' value of the electrode cont...

    Text Solution

    |

  20. Write the cell reactions for a) Ni//Ni^(2+)// //Cu^(2+)//Cu b) Cu...

    Text Solution

    |