Home
Class 12
CHEMISTRY
The standard oxidation potentials of Ze ...

The standard oxidation potentials of Ze and Ag in water at `25^@C` are
`Zn(s) rarr Zn^(2+) + 2e" "[E^@= 0. 76 V]`
`Ag(s) rarr Ag^+ +e" " [E^@=- 0. 80 V]`
Which of the following reactions actually takes place ?

A

`Zn_((s))+2Ag_((aq))^(+) to Zn_((aq))^(2+)+2Ag_((s))`

B

`Zn_((aq))^(2+)+2Ag_((s)) to 2Ag_((aq))^(+)+Zn_((s))`

C

`Zn_((s))+Ag_((s)) to Zn_((aq))^(2+)+Ag_((aq))^(+)`

D

`Zn_((aq))^(2+)+Ag_((aq))^(+) to Zn_((s)) +Ag_((s))`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|103 Videos
  • ELECTROCHEMISTRY

    TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos
  • ELECTROCHEMISTRY

    TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos
  • D AND F-BLOCK ELEMENT

    TARGET PUBLICATION|Exercise EVALUATION TEST|15 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    TARGET PUBLICATION|Exercise Evaluation Thinking|15 Videos

Similar Questions

Explore conceptually related problems

At 20^(@) C, the standard oxidation potential of Zn and Ag in water are: Zn(s)rarr Zn^(2+) (aq) + 2e^(-), E^(o) = 0.76V , Ag(s) rarr Ag^(+)(aq) + E^(-) , E^(o) = - 0.80 V The standard EMF of the given reaction is: Zn+2Ag^(+)rarr 2AG+Zn^(+2)

The standard reduction potentials of Zn and Ag in water at 298K are. Zn^(2+)+2e^(-)hArrZn,E^(@)=-0.76V and Ag^(+)+e^(-)hArrAg:E^(@)=+0.80V Which of the following reactions take place?

The standard oxidation potential E^@ for the half cell reaction are Zn rarr Zn^2+2e^- E^@=+ 0.76 V Fe rarr Fe^2+ + 2e^- E^@=+ 0.41 V EMF of the cell rection is Zn+Fe^(2+) rarr Zn^(2+)+Fe

The standard oxidation potentials, E^(@) , for the half reactions are as, Zn rarr Zn^(2+) + 2e^(-), " " E^(@) = + 0.76 volt Fe rarr Fe^(2+) + 2e^(-), " " E^(@) = +0.41 volt The emf of the cell, Fe^(2+) + Zn rarr Zn^(2+) + Fe is:

The standard oxidation potentials, , for the half reactions are as follows : Zn rightarrow Zn^(2+) + 2e^(-) , E^(@) = +0.76V Fe rightarrow Fe^(2+)+ 2e^(-), E^(@) = + 0.41 V The EMF for the cell reaction, Fe^(2+) + Zn rightarrow Zn^(2+) + Fe

TARGET PUBLICATION-ELECTROCHEMISTRY-CRITICAL THINKING
  1. The initial cell potential of Daniel cell is

    Text Solution

    |

  2. In the representation of galvanic cells, a double vertical line betwe...

    Text Solution

    |

  3. The standard oxidation potentials of Ze and Ag in water at 25^@C are ...

    Text Solution

    |

  4. Which is the CORRECT Nernst equation for reaction taking place in the ...

    Text Solution

    |

  5. Silver-silver chloride electrode is a .

    Text Solution

    |

  6. A huydrgen electrode is dipped is a solution of pH = 3.0 at 25^@C The...

    Text Solution

    |

  7. Calculate the half-cell potential at 298 K for the reaction, Zn^(2+)...

    Text Solution

    |

  8. If the Zn^(2+) and Cu^(2+) concentrations are 0.1 M and 10^(-9) M resp...

    Text Solution

    |

  9. In the Daniel cell, if the concentrations of Zn^(2+) and Cu^(2+) ions...

    Text Solution

    |

  10. The potential of the cell for the reaction, M(s)+2H^(+) (1M)rightarrow...

    Text Solution

    |

  11. The standard cell potential of Zn|zn((aq))^(2+)"||"Cu((aq))^(2+)|Cu ce...

    Text Solution

    |

  12. Calomel electrode is .

    Text Solution

    |

  13. In the dry cell , .

    Text Solution

    |

  14. In dry cell , reaction which takes place at the anode is .

    Text Solution

    |

  15. During the use of lead storage battery, .

    Text Solution

    |

  16. Which of the following is the reduction half-reaction for a lead stora...

    Text Solution

    |

  17. During recharging of lead storage cell , .

    Text Solution

    |

  18. In H(2)-O(2) fuel cell the electrodes are made up of .

    Text Solution

    |

  19. Which of the following is WRONG regarding fuel cell ?

    Text Solution

    |

  20. If the half-cell reaction A+e^(-)toA^(-) has a large negative reductio...

    Text Solution

    |