Home
Class 12
CHEMISTRY
The measured emf at 25^circ C for the ce...

The measured emf at `25^circ C` for the cell reaction. `Zn(s)+Cu^2 *(1.0 M)---Cu(s)+Zn^2 *(0.1 M)` is `1.3v` calculate `E0 cell` for the cell reaction.

Text Solution

Verified by Experts

Using Nernst ệuation. `E_i in |^0=?` `` therefore 1.3 ~V=E_ ivll -0.0591/2 log 0.1/1.0 ``
Promotional Banner

Topper's Solved these Questions

  • COORDINATION COMPOUNDS

    V PUBLICATION|Exercise QUESTION BANK|113 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    V PUBLICATION|Exercise QUESTION BANK|139 Videos

Similar Questions

Explore conceptually related problems

The measured EMF at 298 K for the cell reaction, Zn(s) + Cu^(2+)(1.0 M) rarr Cu(s) + Zn^(2+)(0.1M) is 1.13 V. Calculate E^(@) for the cell reaction.

The standard E.M.F. for the cell reaction: Zn(s) + Cu^(2+) (aq) - Zn^(2+) (aq) + (Cu) is 1.10 volts at 25^(@) C. The EMF. For the cell reaction when 0.01 M Cu^(2+) and 0.1 M Zn^(2+) solutions are used at 25^(@) C is:

For the cell reaction Zn(s)+Mg^(2+) (1M)=Zn^(2+) (1M) +Mg , the emf has been found to be 1.60V E^@ of the cell is

The standard emf of the cell reaction Zn _((s)) + Cu _(aq) ^(2+) to Zn _(aq) ^(2+) + Cu _((s)) 1.1 V. If standard enthalpy change of the reaction is -216.7 kJ, what is standard entropy change of the reaction in JK^(-1)mol^(-1) ?

The standarid potentiat of a cell. is measured as 1.1V: The,reaction of the cell.is represented-as Zn(s)+Cu^2+(aq) Zn^2+(aq)+Cu(s) i. Calculate the standard free energy change of the reaction. ii Using the calculated value of Delta_r G^circ , find the equilibriam constant of the reaction. iii. If the concentrations of the electrólytes are [Z n^2+]=0.1 ~mol Mitre and [Cu^2+]=0.2 ~mol / litre, calculate the cell 'potentiat.

The emf of a standard Cd- cell is 1.018V at 25^@C . The temperature coefficient of the cell is -5.0 times 10^-5 Vk^-1 . Calculate Delta G, Delta H and Delta S for the cell reaction. Will the cell temperature change during operation?

Daniellcell converts the chemical energy liberated during the redox reaction to electrical energy. Zn_(s)+Cu_(aq)^(2+) rarr Zn_(aq)^(2+)+Cu_(s), E_(cell)^0=1.1V .Give the Nernst equation of above cell reaction.

The standard potentials, E^@ for the half reaction are as Zn=Zn^(2+)+2e^(-) , E^@=0.76V Fe=Fe^(2+)+2e^(-) , E^@=0.41V The emf for the cell reaction Fe^(3+) +Zn to Zn^(2+)+Fe is

For the redox reaction: Zn(s)+Cu^(2+) (0.1M) rarr Zn^(2+) (1M) + Cu(s) taking place in a cell, E_(cell)^(@) is 1.10V. E_(cell)^(@) for the cell will be [2.303(RT/F)=0.0591]

Represent the galvanic cell in which the reaction Is: Zn(s)+Cu^(2+) (aq) rarr Zn^(2+) (aq)+Cu(s)

V PUBLICATION-ELECTROCHEMISTRY-QUESTION BANK
  1. Calculate the single electrode potential at 298 K of the Cu ^2 + /...

    Text Solution

    |

  2. The molar conductances of HCl, NaCl and CH 3 ​ COONa are 426ohm^-1 ...

    Text Solution

    |

  3. The measured emf at 25^circ C for the cell reaction. Zn(s)+Cu^2 *(1.0 ...

    Text Solution

    |

  4. NH4OH is a weak electrölyte whose equivalent conductance can be found ...

    Text Solution

    |

  5. 10. A student 'tried to find out the standard reduction'potentials of ...

    Text Solution

    |

  6. Iron metal is largely used for making ships. ln the sea, ship is in co...

    Text Solution

    |

  7. In Appollo space programme the fuel cells are used not only for electr...

    Text Solution

    |

  8. The cell reaction for a galvanic cellIs Ni(s)+2Ag(aq)^(+) rarr Ni(aq)...

    Text Solution

    |

  9. How much substance is deposited by passing 1 coulomb of electricity?

    Text Solution

    |

  10. Which o of the following will have greater molar conductivity and why?...

    Text Solution

    |

  11. How many moles of Na and Al are deposited by passing 1 Faraday of elec...

    Text Solution

    |

  12. A 0.1 M aqueous solution of Na2 SO4 is diluted by'adding H2. What is t...

    Text Solution

    |

  13. It is not possible to determine the molar conductivity of weak electro...

    Text Solution

    |

  14. Pt foil is used hydrogen electrode. Why?

    Text Solution

    |

  15. Name the products of electrolysis of molten and aqueous sodium chlorid...

    Text Solution

    |

  16. Is it safe to stir AgNO3 solution with a copper spoon (E- Ag+/Ag=0....

    Text Solution

    |

  17. An electrochemical cell is set up as usual but there is no flow.of cur...

    Text Solution

    |

  18. The standard reduction potential values of there metallic cations X, Y...

    Text Solution

    |

  19. Why fluorine can not be obtained by the, electrolysis of aqueous HF so...

    Text Solution

    |

  20. Iron can be protected by coating with copper or tin. But if the coatin...

    Text Solution

    |