Home
Class 12
CHEMISTRY
In thebutton cells widely used in watche...

In thebutton cells widely used in watches and other devices the following reaction takes place: `Zn (s) + Ag_2O (s) + H_2O(I) --Zn^(2+) (aq) + 2Ag (s) + 2OH-(aq)` Determine `Delta_rG^0` and `E^0` for the reaction.

Promotional Banner

Topper's Solved these Questions

  • COORDINATION COMPOUNDS

    BODY BOOKS PUBLICATION|Exercise Example|134 Videos
  • ELECTROMOTIVE FORCE

    BODY BOOKS PUBLICATION|Exercise EXERCISE |25 Videos

Similar Questions

Explore conceptually related problems

In the button cells widely used in watches and other'devices the folfowing reaction takes place: ( Zn(s)+Ag_2 O(s)+H_2 O dotD Zn^2+(aq)+2 Ag(s)+ 2 OH - (aq).) Determine Delta_r G^circ and cdot E^circ for the reaction.

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

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

Calculate the standard cell.potentials of galvanic cell in which the following reactions take place: Fe^2+(aq)+Ag+^*(aq)^* -> Fe^3+(aq)+Ag(s) Calculate the Delta r G^circ and equilibrium constant of the reactions.

Calculate the emf of the cell in which the following reaction takes place: Ni(s)+ 2Ag^+(0.002M) to Ni^2(0.160 M)+2Ag(s) . Given that E_(cell)^0=1.05V

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

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

Calculate the e.m.f of the following concentration cell at 298K, Zn(s)| Zn^(2+)(0.1) || Zn^(2+) (1.0)|Zn(s)

Balance the following redox reaction by ion electron method MnO_4^- (aq) + I^- (aq) to MnO_2 (s) + I_2(s) (base medium)

Balance the following redox reaction by ion electron method H_2O_2 (aq) + Fe^(2+) (aq) toFe^(3+)(aq) + H_2O (l) (acid medium)

BODY BOOKS PUBLICATION-ELECTROCHEMISTRY-EXAMPLES
  1. Arrange the following in the order in which they displace each other f...

    Text Solution

    |

  2. The resistance of a conductivity cell containing 0.001 M^circ KCl solu...

    Text Solution

    |

  3. In thebutton cells widely used in watches and other devices the follow...

    Text Solution

    |

  4. The limiting molar conductivity of weak electrolyte can be calculated ...

    Text Solution

    |

  5. Daniellcell converts the chemical energy liberated during the redox re...

    Text Solution

    |

  6. Daniellcell converts the chemical energy liberated during the redox re...

    Text Solution

    |

  7. Daniellcell converts the chemical energy liberated during the redox re...

    Text Solution

    |

  8. Diagrammatlcally represent H2-O2 fuel celland write thehalf ceil react...

    Text Solution

    |

  9. Define minimum boiling azeotropes with example.

    Text Solution

    |

  10. Write the anode and cathode reactions occur'in the operation of lead s...

    Text Solution

    |

  11. What are primary batteries?

    Text Solution

    |

  12. The cell potential of mercury cell Is 1.35 V, and remain constant duri...

    Text Solution

    |

  13. Fuel cells are special type of galvanic cells. Write the electrode rea...

    Text Solution

    |

  14. Represent the galvanic cell based on the cell reaction given below: Cu...

    Text Solution

    |

  15. lamdam^0for NaCl,HCL and NaAc are 126.4,425.9and91.0Scm^2mol^(-1)respe...

    Text Solution

    |

  16. Which of the following is a secondary cell?

    Text Solution

    |

  17. What Is the relationship between resistance and conductance?

    Text Solution

    |

  18. One of the fuel cell uses the reaction of hydrogen and oxygen to form ...

    Text Solution

    |

  19. Your are supplied with the following substances: copper rod, Zinc r...

    Text Solution

    |

  20. Your are supplied with the following substances: copper rod, Zinc r...

    Text Solution

    |