Home
Class 12
CHEMISTRY
The standard reduction potentials for th...

The standard reduction potentials for the two half-cell reactions are given below :
`Cd^(2+) (aq) + 2e^(-) to Cd(s) , E^(0) = -0.40 V " "Ag^(+)(aq) + e^(-) to Ag(s) , E^(0) = 0.80 V `
The standard free energy change for the reaction `2Ag_((aq))^(+) + Cd_((s)) + Cd_((aq))^(2+)` is given by

A

115.8 kJ

B

`-115.8` kJ

C

`-231.6` kJ

D

`231.6` kJ

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    AAKASH SERIES|Exercise PRACTICE EXERCISE|55 Videos

  • ELECTROCHEMISTRY

    AAKASH SERIES|Exercise Exercise -2 (Electrolytic conductance)|10 Videos

  • DILUTE SOLUTIONS

    AAKASH SERIES|Exercise EXERCISE - 1.2|55 Videos

  • ELEMENTS OF D - BLOCK

    AAKASH SERIES|Exercise EXERCISE - 5.2|33 Videos

Similar Questions

Explore conceptually related problems

The standard reduction potentials for two reactions are given below: AgCl(s) + e^(-) to Ag(s) + Cl^(-) , E^@ = 0.22 V Ag^(+)(aq) e^(-) +e^(-) to Ag(s) , E^@ = 0.80V The solubility product of AgCl under standard conditions of temperature (298 K) is given by

The standard electrode potential of the htwo half cells are given below Ni^(+2) + 2e^(-) to Ni , E^(@) = -0.25 V , Zn^(+2) + 2e^(-) to Zn , E^(0) = -0.77 V The voltage of cell formed by combining the two half cells would be

The half cell reaction for the corrosion are , 2H^(+) + (1)/(2) O_2 + 2e^(-) to H_2O , E^(0) = 1.23 V and Fe^(2+) + 2e^(-) to Fe(s) , E^(0) = -0.44 V . Find the DeltaG^(0) ( in kJ) for the overall reaction

The standard Potentials at 25^@C for the half reactions are given against them below: Zn^(2+) + 2e^(-) to Zn,E^@ = -0.762V Mg^(2+) + 2e^(-) to Mg, E^@ = -2.37V When Zn dust is added to a solution of MgCl_2

The standard reduction potentials at 298 K for the following half cell reactions are given below Zn^(2+) (aq) + 2e^(-) to Zn (s)-0.762 Cr^(3+) (aq) + 3e^(-) to Cr (s)-0.740 2H^(+) (aq) + 2e^(-) to H_(2) (g)-0.000 Fe^(3+) (aq) + e^(-) to Fe^(3+) (aq)-0.770 Which one is the strongest reducing agent?

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

The standard potential (E^(0)) for the half reaction are as Zn to Zn^(2+) + 2e^(-) , E^(0) = + 0.76 V Fe to Fe^(2+) + 2e^(-) , E^(0) = + 0.41 V . The emf for the cell reaction Fe^(2+) + Zn to Zn^(2+) + Fe is

The half cell reaction, with its standard reduction potentials are I) Pb^(2+) + 2Ag to 2Ag^(+) + Pb (E^(0) = -0.13V) II) Ag^(+) + e^(-) to Ag(E^(0) = + 0.80 V) Which of the following reactions will occur ?

AAKASH SERIES-ELECTROCHEMISTRY -Exercise -2 (Nernst equation and EMF)
  1. EMF of a cell in terms of reduction potential of its left and right el...

    Text Solution

    |

  2. E^(0) for the half cell Zn^(2+) // Zn is - 0.76 V . Emf of the cell ...

    Text Solution

    |

  3. If the standard electrode protential of Cu^(2+)// Cu electrode is 0.34...

    Text Solution

    |

  4. The potential of hydrogen electrode is -118 mV . The H^(+) concentrati...

    Text Solution

    |

  5. The standard potential (E^(0)) for the half reaction are as Zn to Zn^...

    Text Solution

    |

  6. E^(0) for F2 + 2e^(-) to 2F^(-) is 2.8 V , E^(0) for 1//2 F2 + e^(-) ...

    Text Solution

    |

  7. Consider the following E^(0) values E(Fe^(3+) // Fe^(2+))^(0) = + 0.77...

    Text Solution

    |

  8. E^(0) for the reaction Fe + Zn^(2+) to Zn + Fe^(2+) is -0.35 V . The ...

    Text Solution

    |

  9. E.M.F of the cell reaction , 2Ag^(+) + Cu to 2Ag + Cu^(2+) is 0.46 V ...

    Text Solution

    |

  10. The EMF of the cell Ni//Ni^(2+)(0.01)// // Cl^(-)(0.01M)//Cl(2), pt i...

    Text Solution

    |

  11. The standard electrode potential of the htwo half cells are given bel...

    Text Solution

    |

  12. Aluminium displaces hydrogen from dilute HCl whereas silver does not. ...

    Text Solution

    |

  13. A cell constructed by coupling a standard copper electrode and a stand...

    Text Solution

    |

  14. The solution of nickel sulphate in which nickel rod is dipped is dilut...

    Text Solution

    |

  15. The standard reduction potentials for the two half-cell reactions are ...

    Text Solution

    |

  16. Normal aluminium electrode coupled with normal hydrogen electrode give...

    Text Solution

    |

  17. The standard EMF for the cell reaction , Zn + Cu^(2+) to Cu + Zn^(2+) ...

    Text Solution

    |

  18. At a certain temperature and at infinite dilution, the equivalent cond...

    Text Solution

    |

  19. The emf of the following three galvanic cells are respresented by E(1)...

    Text Solution

    |