Home
Class 12
CHEMISTRY
E^(@) for the electrochemical cell Zn...

`E^(@)` for the electrochemical cell
`Zn(s) | Zn^(2+)1M (aq)|| Cu^(2+) 1M(aq)| Cu (s)` is 1.10 V at `25^(@)`C. The equilibrium constant for the cell reaction, `Zn(s)+Cu^(2+) (aq.) rarr Zn^(2+) (aq.) + Cu(s)` will be:

A

`1.68 xx 10^(-37)`

B

`1.68xx10^(37)`

C

`1.68 xx 10^(-39)`

D

`1.68 xx10^(39)`

Text Solution

Verified by Experts

The correct Answer is:
D

`k=antilog=antilog[(2xx1.0)/(0.059)]=1.67xx10^(37)`
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    BRILLIANT PUBLICATION|Exercise LEVEL-II|70 Videos
  • ELECTROCHEMISTRY

    BRILLIANT PUBLICATION|Exercise Questions|17 Videos
  • ELECTROCHEMISTRY

    BRILLIANT PUBLICATION|Exercise Level-III (Linked Comprehension Type)|12 Videos
  • D & F BLOCK ELEMENTS

    BRILLIANT PUBLICATION|Exercise Level -II|38 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    BRILLIANT PUBLICATION|Exercise LEVEL - II (ASSERTION - REASON) |5 Videos

Similar Questions

Explore conceptually related problems

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

Write the half reactions for the following redox reaction. Zn(s) + 2H^+ (aq) rarr Zn^(2+) (aq) + H_2(g)

Identify the limiting reagent in the above reaction. Zn_(s) + HCl_(aq) rarr ZnCl_(2(aq)) + H_(2(g))

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:

Complete the following reaction. (Zn_(s) + NaOH_(aq) rarr^(heat) ……………….)

Find out the oxidising agent and reducing agent in the following reaction: Cu(s)+2Ag^(+) (aq)rarr Cu^(2+) (aq) + 2Ag(s)

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.

For the following cell Zn(s)|ZnSO_4 (aq) ||CuSO_4 (aq)|Cu(s) When [Zn^(2+)] is ten times of [Cu^(2+)] the expression Delta G ( in J mol^-1 ) is

Depict the galvanic ceil In which the reaction, Zn_(S)+2Ag_(aq)^+ rarr Zn_(aq)^(2+)+2Ag_(S) take place.

BRILLIANT PUBLICATION-ELECTROCHEMISTRY-LEVEL-I
  1. Based on the following information, arrange four metals A, B, C and D ...

    Text Solution

    |

  2. The E at 25^(@) C for the following reaction is 0.22 V. The equilibriu...

    Text Solution

    |

  3. Using the following E^(@) values for electrode potentials, calculate t...

    Text Solution

    |

  4. When I(2), (s)|I^(-) (0.IM) half cell is connected to a H^(+) (aq) |H...

    Text Solution

    |

  5. The standard free energy change for the following reaction is-210 kJ. ...

    Text Solution

    |

  6. Resistance of 0.1 MKCI solution in a conductivity cell is 300 ohm and ...

    Text Solution

    |

  7. Which of the following statements is correct?

    Text Solution

    |

  8. Two half cells have potentials-0.76 Vand-0.13 V respectively. A galvan...

    Text Solution

    |

  9. Given that E values of Ag^(+) | Ag, K^(+)|K, Mg^(2+) |Mg and Cr^(3+) |...

    Text Solution

    |

  10. Given: E^(@) (Sn^(2+)Sn^(4+)|Pt) = -0.15V, E^(@) (Hg(2)^(2+)|Hg ^(2+))...

    Text Solution

    |

  11. The pressure of H(2) required to make the potential of the hydrogen e...

    Text Solution

    |

  12. When a lead storage battery is charged:

    Text Solution

    |

  13. An example of a simple fuel cell is:

    Text Solution

    |

  14. The equilibrium constant of acetic acid in an aqueous solution of conc...

    Text Solution

    |

  15. For a dilute solution of a strong electrolyte, which of the following ...

    Text Solution

    |

  16. 1 L of 1 MCuSO(4) solution is electrolysed. After passing 2 F of elec...

    Text Solution

    |

  17. If equivalent conductance of 1 M benzoic acid is 12.8 Omega^-1 ~cm^2 a...

    Text Solution

    |

  18. E^(@) for the electrochemical cell Zn(s) | Zn^(2+)1M (aq)|| Cu^(2+)...

    Text Solution

    |

  19. The reduction potential of hydrogen electrode will be negative if :

    Text Solution

    |

  20. Electrolysis of dilute aqueous NaCl solution was carried out by passin...

    Text Solution

    |