Home
Class 12
CHEMISTRY
An iron wire is immersed in a solution c...

An iron wire is immersed in a solution contianing `ZnSO_4` and `NiSO_4`. When the concentration of each salt is 1M, predect giving reasons which of the following reactions is likely to proceed?
Ion reduces `Ni^(2+)` ions
Given `E^@(Zn^(2+)|Zn)=-0.76V`, `E^@(Fe^(2+)|Fe)=-0.44V` and `E^@(NI^(2+)|Ni)=-0.25V`.

Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise EXERCISE|529 Videos
  • d-AND f- BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|1089 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|303 Videos

Similar Questions

Explore conceptually related problems

Write the Nernst equation for the above cell, if E^@(Zn^(2+)|Zn)=-0.76V, E^@(Cu^(@+)|Cu)=+0.34V

Calculate the EMF of the cell, containing nickel and copper electrodes. Given E^@(NI^(2+)|NI)=-0.25V and E^@(Cu^(2+)|Cu)=+0.34V .

Calculate the e.m.f of the following cell at 298K 2Cr(s)+3Fe^(2+)(0.01M)rarr2Cr^(3+)(0.1M)+3Fe(s) Given: E^@(Cr^(3+)|Cr)=-0.75V , E^@(Fe^(2+)|Fe)=-0.45V .

Which of the following statements is correct? If E_(Cu^(2+)|Cu)^(@)=0.34V, E_(Sn^(2+)|Sn)^(@)=-0.136V "and"E_(H^+|H_2)^(@)=-0.0V

Calculate DeltaG^(@) for the following cell: Fe|Fe^(2+)||Cu^(2+)|Cu . Given that: E^(@)(Cu^(2+)//Cu)=+0*34V,E^(@)(Fe^(2+)//Fe)=-0*44V.

Using the E^@ values of A and B, predict which one is better for coating the surface of iron [E^@(Fe^(2+)/Fe=-0.44V] to prevent corrosion and why? Given: E^@(A^(2+)|A)=-2.37V and E^@(B^(2+)|B)=-0.14V .

Write Nernst equation and calculate the e.m.f of the following cell at 298 K: Zn|Zn^(2+)(0.01M)||Fe^(2+)(0.005M)|Fe Given that: (Zn^(2+)//Zn)=-0.763V and E_(Fe^(2+)//Fe)^(@)=-0.44V" "log2=0.3010 .

Can a zinc spoon be used to stir a solution of copper sulphate? Support your answer with reason E_(Zn^(2+)|Zn)^@=-0.76V , E_(Cu^(2+)|Cu)^@=+0.34V

MODERN PUBLICATION-ELECTROCHEMISTRY-EXERCISE
  1. The conductivity of a saturated solution of BaSO4 at 295 K is found to...

    Text Solution

    |

  2. An iron wire is immersed in a solution contianing ZnSO4 and NiSO4. Whe...

    Text Solution

    |

  3. An iron wire is immersed in a solution contianing ZnSO4 and NiSO4. Whe...

    Text Solution

    |

  4. Can a nickel spoon be used to stir a solution of copper sulphate ? Sup...

    Text Solution

    |

  5. What is the standard e.m.f. of the cell containing Sn^(2+)|Sn and Br2|...

    Text Solution

    |

  6. Write each half cell reaction of the following electrochemical cell: ...

    Text Solution

    |

  7. Calculate the standard cell potentials of galvanic cell in which the f...

    Text Solution

    |

  8. Calculate the standard cell potentials of galvanic cell in which the f...

    Text Solution

    |

  9. Can Chlorine gas be stored in Copper Cylinder ? Given E(Cu^(+)//Cu)^(@...

    Text Solution

    |

  10. Why does blue colour sulphate get discharged when zinc rod is dipped i...

    Text Solution

    |

  11. Calculate the electrode potential at copper electrode dipped in a 0.1 ...

    Text Solution

    |

  12. Write the Nernst equation and calculate E.M.F of the following reactio...

    Text Solution

    |

  13. Calculate the potential of the following cell reaction at 298K: Sn^(4+...

    Text Solution

    |

  14. Calculate the e.m.f. of the following cell at 298 K, Mg|Mg^(2+)(0.13...

    Text Solution

    |

  15. Consider a cell composed of the following half cells: Ag(s)+Ag^)+)(aq)...

    Text Solution

    |

  16. Write Nernst equation and calculate the e.m.f of the following cell at...

    Text Solution

    |

  17. The calculate the e.mf. Of the following cell at 298: Fe|Fe^(2+)(0.1...

    Text Solution

    |

  18. Calculate the e.m.f of the following cell at 298K 2Cr(s)+3Fe^(2+)(0.01...

    Text Solution

    |

  19. Calculate the electrode potential at copper electrode dipped in a 0.1 ...

    Text Solution

    |

  20. At what concentration of silver ions will this electrode have a potent...

    Text Solution

    |