Home
Class 12
CHEMISTRY
E(Cu^(2+)|Cu)^@ = +0.337 V, E(Zn^(2+)| Z...

`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

A

+1.099 V

B

- 1.099 V

C

+1.069 V

D

- 1.069 V

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • REVISION EXERCISE

    AAKASH SERIES|Exercise SURFACE CHEMISTRY|45 Videos
  • REVISION EXERCISE

    AAKASH SERIES|Exercise VA GROUP ELEMENTS|26 Videos
  • REVISION EXERCISE

    AAKASH SERIES|Exercise CHEMICAL KINETICS|39 Videos
  • REDOX REACTONS

    AAKASH SERIES|Exercise Questions For Descriptive Answers|27 Videos
  • SOLID STATE

    AAKASH SERIES|Exercise PRACTICE SHEET - 5|30 Videos

Similar Questions

Explore conceptually related problems

The EMF of the following cells are Cu|Cu^(2+) (1M)||Ag^(+) (1M)|Ag, E^@ = 0.46 V Zn|Zn^(2+) (1M)||Cu^(2+) (1M)|Cu, E^@ = 1.10 V The EMF of the cell Zn|Zn^(2+)(1M)|| Ag^(+ )(1M) | Ag will be

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 .

The E^(@) values for the changes given below are measured against NHE at 27^(@) C Cu^(2+) + e to Cu^(+) , E^(@) = + 0.15 V , Cu^(+) + e to Cu, E^(@) = + 0.50 V , Zn^(2+) + 2e to Zn , E^(@) = - 0.76 V . The temperature coefficient of emf a cell designed as Zn|Zn^(2+) || Cu^(2+) || Cu is - 1.4 xx 10^(-4)v per degree . For a cell reaction in equilibrium DeltaG= 0 and DeltaG^(@) = -2.303 RT log K_(c) . The heat of reaction and entropy changes during the reaction are related by DeltaG = DeltaH - TDeltaS . The decrease in free energy during the cell reaction in Zn | Zn^(2+) (1M)||Cu^(2+)(1M)|Cu , when its changes to 1M(Zn^(+2)) and 0.1M(Cu^(+2)) is .........

The E^(@) values for the changes given below are measured against NHE at 27^(@) C Cu^(2+) + e to Cu^(+) , E^(@) = + 0.15 V , Cu^(+) + e to Cu, E^(@) = + 0.50 V , Zn^(2+) + 2e to Zn , E^(@) = - 0.76 V . The temperature coefficient of emf a cell designed as Zn|Zn^(2+) || Cu^(2+) || Cu is - 1.4 xx 10^(-4)v per degree . For a cell reaction in equilibrium DeltaG= 0 and DeltaG^(@) = -2.303 RT log K_(c) . The heat of reaction and entropy changes during the reaction are related by DeltaG = DeltaH - TDeltaS . The E^@ for the reaction 2Cu^(+) to Cu^(2+) + Cu is :

The E^(@) values for the changes given below are measured against NHE at 27^(@) C Cu^(2+) + e to Cu^(+) , E^(@) = + 0.15 V , Cu^(+) + e to Cu, E^(@) = + 0.50 V , Zn^(2+) + 2e to Zn , E^(@) = - 0.76 V . The temperature coefficient of emf a cell designed as Zn|Zn^(2+) || Cu^(2+) || Cu is - 1.4 xx 10^(-4)v per degree . For a cell reaction in equilibrium DeltaG= 0 and DeltaG^(@) = -2.303 RT log K_(c) . The heat of reaction and entropy changes during the reaction are related by DeltaG = DeltaH - TDeltaS . The equilibrium constant constant for the reaction : Zn + Cu^(2+) iff Zn^(2+) + Cu is

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

E_("red")^(0) (Standard reduction potential ) of different half-cells are given E_(Cu^(+2)//Cu)^(0) = 0.34 V E_(Zn^(+2)//Zn)^(0) = -0.76 V , E_(Ag^(+) // Ag)^(0) = 0.80 V , E_(Mg^(2+) // Mg)^(0) = -2.37 V . In which cell DeltaG^(@) is most negative ?

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

The standard EMF for the cell reaction , Zn + Cu^(2+) to Cu + Zn^(2+) is 1.1 volt at 25^@ C . The EMF for the cell reaction , when 0.1 M Cu^(2+) and 0.1 M Zn^(2+) solutions are used , at 25^@ C is

AAKASH SERIES-REVISION EXERCISE -ELECTROCHEMISTRY
  1. Equivalent conductance (Lamda) vs concentration graphs are given for s...

    Text Solution

    |

  2. For the redox reaction : Zn(s) + Cu^(2+) (0.1M) to Zn^(2+) (1M) + ...

    Text Solution

    |

  3. E(Cu^(2+)|Cu)^@ = +0.337 V, E(Zn^(2+)| Zn)^@ = - 0.762 V. The EMF of...

    Text Solution

    |

  4. For a cell reaction involving a two-electron change, the standard e.m....

    Text Solution

    |

  5. E(Sn^(2+)|Sn)^@ = -1.14V, E(Pb^(2+)IPb)^@ = 0.126 The cell reaction of...

    Text Solution

    |

  6. The EMF of the following cells are Cu|Cu^(2+) (1M)||Ag^(+) (1M)|Ag...

    Text Solution

    |

  7. Given the data at 25^@C Ag + I^(-) to AgI + e^(-) , E^@ = 0.152V ...

    Text Solution

    |

  8. The potential of the cell containing two hydrogen electrodes as repres...

    Text Solution

    |

  9. For the following cell Zn//Zn^(2+) // Cd^(2+) // Cd E("cell") = ...

    Text Solution

    |

  10. The standard reduction potentials for two reactions are given below: ...

    Text Solution

    |

  11. What is the approximate quantity of electricity in 500 ml 1M AgNO3 aq...

    Text Solution

    |

  12. The cell , Zn//Zn^(2+) (1M) // Cu^(2+) (1M) // Cu (E("Cell")^@ = 1.10...

    Text Solution

    |

  13. If the number of moles of electrons involved in a reaction is doubled ...

    Text Solution

    |

  14. The standard EMF of Daniel cell is 1.10 volt. The maximum electrical w...

    Text Solution

    |

  15. If the Pb^(2+) concentration is maintained at 1.0M what is the [Cu^(2+...

    Text Solution

    |

  16. The standard e.m.f. for the cell reaction, 2Cu^(+)(aq) to Cu(s) + ...

    Text Solution

    |

  17. The standard e.m.f. of a galvanic cell involving cell reaction with n ...

    Text Solution

    |

  18. Standard electrode potentials of Fe^(2+) + 2e to Fe and Fe^(3+) + 3...

    Text Solution

    |

  19. The standard Potentials at 25^@C for the half reactions are given agai...

    Text Solution

    |

  20. For the cell , Hg,Hg2 Cl2//Cl^(-)(0.1M)//Cl^(-)(0.01M)//Cl2, Pt E("cel...

    Text Solution

    |