Home
Class 12
CHEMISTRY
Calculate the cell potential E at 25^(@)...

Calculate the cell potential E at `25^(@)` C for the reactioni :
`2Al(s) + 3Fe^(2+)(aq) rightarrow 2Al^(3+)(aq) + 3Fe(s)`
[Given : `[Fe^(2+)] = 0.01M, [Al^(3+)] = 0.10M,`
`E^_(Fe^(+2)//Fe)^(@) = -0.45V and ((2.303Rt)/(F) = 0.06)`

A

`+1.20V`

B

`+1.16V`

C

`+1.24V`

D

`+1.12V`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Batteries|10 Videos
  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Thermodynamics in Electrochemistry|22 Videos
  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Galvanic Cell and Salt Bridge|85 Videos
  • D-BLOCK ELEMENTS

    GRB PUBLICATION|Exercise Subjective Type|18 Videos
  • ENVIRONMENTAL CHEMISTRY

    GRB PUBLICATION|Exercise Straight objective type|40 Videos

Similar Questions

Explore conceptually related problems

E^(@) = 0.93V for the reactions: Fe(s) + 2M^(+)(aq) rightarrow Fe^(2+)(aq) + 2M(s) What is the standard potential for M^(+) + e^(-) rightarrow M , if E_(Fe^(2+//Fe)^(@) = -0.44 V ?

Calculate E_(cell)^(@) for the following reaction at 298 K : 2 Cr (s ) + 3 Fe^(2+) (0.01 M) to 2 Cr^(3+) (0.01 M) + 3 Fe (s) Given : E_(cell) = 0.261 V

Calculate DeltaG^(@) for the reaction : Cu^(2+)(aq) +Fe(s) hArr Fe^(2+)(aq) +Cu(s) . Given that E_(Cu^(2+)//Cu)^(@) = 0.34 V , E_(Fe^(+2)//Fe)^(@) =- 0.44 V

Calculate the standard reduction potentials of galvanic cells in which reaction are Fe^(2+) (aq) + Ag^(+) (aq) to Fe^(3+) (aq) + Ag (s) Given that E^(Theta) (Cr^(3+) //Cr) = -0.74 V , E^(Theta) (Cd^(2+) // Cd) = -0.40 V , E^(Theta) (Fe^(3+) // Fe^(2+)) = 0.77 V , E^(Theta) (Ag^(+) // Ag) = 0.80 V

What is the standard reducing potential (E^(@)) for Fe^(3+)to Fe ? (Given that Fe^(2+)+2e^(-)rightarrowFe, E_(Fe^(2+)//Fe^(@)) =-0.47V Fe^(3+) + e^(-)to Fe^(2+) , E_(Fe^(3+)//Fe^(2+))^(@)= +0.77V

Calculate the standard cell potentials of the galvanic cells in which the following reactions take place. (a) " " 2Cr(s)+3Cd^(2+) to 2Cd^(3+)(aq)+3Cd(s) Given E_(Cr^(3+)//Cr)^(@)=-0.74" V" , E_(Cd^(2+)//Cd)^(@)=-0.40" V" (b) " " Fe^(2+)(aq)+Ag^(+)(aq) to Fe^(3+)(aq)+Ag(s) Gievn E_(Ag^(+)//Ag)^(@)=0.80" V" ,E_(Fe^(3+)//Fe^(2+))^(@)=0.77 " V" Also calculate DeltaG^(@) and equilibrium constant for the reaction.

GRB PUBLICATION-ELECTROCHEMISTY-Latimer Diagram, concentration cells
  1. Find EMF of cell Pt |H(2) | H^(+)(pH = 5) || H^(+) (pH =7) | H(2)| Pt....

    Text Solution

    |

  2. For the cell Pt | H(2) | HCl|| Ag^(+) | Ag, E(cell) can be increased...

    Text Solution

    |

  3. Calculate the cell potential E at 25^(@) C for the reactioni : 2Al(s...

    Text Solution

    |

  4. Cu^(+) + e^(-) rightarrow Cu, E^(@) = x1volt, Cu^(2+) + 2e^(-) right...

    Text Solution

    |

  5. KCl can be used in salt bridge as electrolyte in which of the followin...

    Text Solution

    |

  6. The reaction 1//2H2(g)+AgCl(s) rarr H^(o+)(aq)+Cl^(c-)(aq)+Ag(s) oc...

    Text Solution

    |

  7. Which statements is true about a spontaneous cell reaction in galvanic...

    Text Solution

    |

  8. The standard emf of the cell, Ni|Ni^(2+)(1.0M)||Ag^(+)(1.0M)|Ag [E^(@)...

    Text Solution

    |

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

    Text Solution

    |

  10. Zn | Zn^(2+)(C(1) || Zn^(2+)(C(2)| Zn. For this cell DeltaG is negativ...

    Text Solution

    |

  11. |underset("("p(1)")")(H(2))|underset("("p(1)")")(H^(+))|underset("("1M...

    Text Solution

    |

  12. The reduction potential of hydrogen half cell will be negative if :

    Text Solution

    |

  13. Pt | H(2) | pH = 1 || pH = 2 | (H(2))Pt 1 atm ...

    Text Solution

    |

  14. In a cell that utilizes the reactions. Zn(s) + 2H^(+) (aq) rightarro...

    Text Solution

    |

  15. Given that (at T = 298 K) Cu(s) | Cu^(2+)(1.0M) || Ag^(+)(1.0M)| Ag(...

    Text Solution

    |

  16. The cell Pt(H(2))(1atm) |H^(+) (pH =?) T^(-) (a=1)AgI(s), Ag has emf, ...

    Text Solution

    |

  17. Using the information in the preceding problem, calculate the solubili...

    Text Solution

    |

  18. The solubiltiy product of silver iodide is 8.3 xx 10^(-17) and the st...

    Text Solution

    |

  19. Consider the cell |{:(H(2)(Pt)),(1atm):} :|: {:(H(3)O^(+)(aq)),(pH =5....

    Text Solution

    |

  20. The standard potential of the reaction H(2)O + e^(-) rightarrow (1/2...

    Text Solution

    |