Home
Class 12
CHEMISTRY
The EMF of the Daniel cell is 1.1V . The...

The EMF of the Daniel cell is 1.1V . The external EMF to be applied for the following reaction to take place in it.
`Cu_((s))+Zn_((aq))^(2+)rarrCu_((aq))^(2+)+Zn_((s))`

A

`01.0V`

B

`1.1 V`

C

`1.2 V`

D

`0.55 V`

Text Solution

Verified by Experts

The correct Answer is:
C

For the given reaction to take place, external `EMF lt EMF` of the cell
Promotional Banner

Topper's Solved these Questions

  • ELECTRO CHEMISTRY

    NARAYNA|Exercise LEVEL-V|67 Videos
  • ELECTRO CHEMISTRY

    NARAYNA|Exercise LEVEL-VI|71 Videos
  • ELECTRO CHEMISTRY

    NARAYNA|Exercise LEVEL-I(H.W)|32 Videos
  • 15TH GROUP ELEMENTS

    NARAYNA|Exercise EXERCISE - 4 (NCERT EXEMPLERS/HOTs)|27 Videos

Similar Questions

Explore conceptually related problems

The standard electrode potential for Daniel cell is 1.1V . Calculate the standard Gibbs energy of the reaction (In KJ/mol) Zn_((s))+Cu_((aq))^(2+)rarrZn_((aq))^(2+)+Cu_((s))

The standard electrode potential for Daniel cell is 1.1V . Calculate the standard Gibbs energy of the reaction (In KJ/mol) Zn_((s))+Cu_((aq))^(2+)rarrZn_((aq))^(2+)+Cu_((s))

Given below is a redox reaction. Which of the following types the reaction belongs to ? CuSO_(4(aq))+Zn_((s)) rarr Cu_((s))+ZnSO_(4(aq))

Write Nernst equation for the following cell reaction : Zn(s) | Zn^(2+)(aq)|| Cu^(2+)(aq) | Cu(s)

Write the cell reaction for the following cell representation Zn//Zn_((aq))^(+2)////Ag_((aq))^(+)//Ag_((s))

Represent the galvanic cell in which the reaction Zn_((s))+ Cu_((aq))^(2+)rightarrowZn_((aq))^(2+)+Cu_(s) take place .

What is the Gibbs energy of the following reaction? Zn(s)+Cu^(2+) (aq) rarr Zn^(2+)(aq)+Cu^(2+) (s), E_("cell")^(@)=1.1 V

NARAYNA- ELECTRO CHEMISTRY-LEVEL-II(H.W)
  1. Specific conductance of 0.1 M CH(3)COOH at 25^(@) C is 3.9xx10^(-4) " ...

    Text Solution

    |

  2. E^(c-) of Mg^(2+)|Mg,Zn^(2+)|Zn, and Fe^(2+)|Fe are -2.37V,-0.76V, and...

    Text Solution

    |

  3. The EMF of the Daniel cell is 1.1V . The external EMF to be applied fo...

    Text Solution

    |

  4. Given: Fe((s))rarrFe^(2+)+2e^(-), E^(@)=+0.44V Pb((s))rarrPb^(2+)+2e...

    Text Solution

    |

  5. If a spoon of copper metal is placed in a solution of ferrous sulphat...

    Text Solution

    |

  6. A student made the following observations in the laboratory, A) Clea...

    Text Solution

    |

  7. Standard reduction potential values for the electrodes are given below...

    Text Solution

    |

  8. The life span of a Daniel cell may increased by

    Text Solution

    |

  9. To the Daniel cell ZnSO(4) is added to the left hand side electrode. T...

    Text Solution

    |

  10. The reaction (1)/(2)H(2)(g)+AgCl(s)hArrH^(+)(aq)+Cl^(-)(aq)+Ag(s) ...

    Text Solution

    |

  11. The e.m.f of the cell Ni//Ni^(+2)(1M)"//"Cl^(-)(1M)Cl(2),Pt ({:(E...

    Text Solution

    |

  12. The reduction potential of hydrogen electrode containing a solution of...

    Text Solution

    |

  13. The oxidation potential of a hydrogen electrode is related to the pH o...

    Text Solution

    |

  14. I(2)(s)|I^(-)(0.1M) half cell is connected to a H^(+) (aq)|H(2)(1 bar)...

    Text Solution

    |

  15. Which one of the following will increase the voltage of the cell ? (T...

    Text Solution

    |

  16. The standard emf for the cell cell reaction Zn + Cu^(2+) rarr Zn^(2+)...

    Text Solution

    |

  17. The E^(@) at 25^(@) for the following reaction at the indicated concen...

    Text Solution

    |

  18. The cell, Zn//Zn^(2+)(1M)"//"Cu^(2+)(1M)//Cu(E(cell)^(@)=1.10V) , was ...

    Text Solution

    |

  19. Deduce from the following E^(c-) values of half cells, what combinatio...

    Text Solution

    |

  20. when lead accumulator is charging it is

    Text Solution

    |