Home
Class 12
CHEMISTRY
Consider the following standard electrod...

Consider the following standard electrode potentials and calculate the eqillibrium constant at `25^(@)`C for the indicated disproportional reaction :
`3 Mn^(2+)(aq)toMn(s)+2Mn^(3+)(aq)`
`Mn^(3+)(aq)+e^(-)toMn^(2+)(aq), E^(@)=1.51 V`
`Mn^(2+)(aq)+2e^(-)toMn(s), E^(@)=-1.185 V``

A

`-0.33V, the reaction will occur

B

`2.69 V`, the reaction will not occur

C

`-2.69V`, the reaction will occur

D

`-0.33V`, the reaction will not occur.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise EXERCISE|529 Videos

  • d-AND f- BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|1089 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MODERN PUBLICATION|Exercise EXERCISE|303 Videos

Similar Questions

Explore conceptually related problems

Use the following standard electrode potentials, calculate DeltaG^(@) in kJ // mol for the indicated reaction : 5Ce^(4+)(aq)+Mn^(2+)(aq)+4H_(2)O(l)to5Ce^(3+)(aq)+ MnO_(4)^(-)(aq)+8H^(+)(aq) MnO_(4)^(-)(aq)+8H^(+)(aq)+5e^(-)toMn^(2+)(aq)+4H_(2)O(l), E^(@)=+1.51 V Ce^(4+)(aq)+e^(=)toCe^(3+)(aq)" "E^(@)=+1.61 V

calculate the value of equilibrium constant (K_f) for the reaction: Zn^(2+)(aq)+4OH^(-)(aq)iffZn(OH)_4^(2-)(aq) Given: Zn^(2+)(aq)+2e^(-)toZn(s0,E^(@)=-0.76 V Zn(OH)_4^(2-)(aq)+2e^(-)toZn(s)+4OH^(-)(aq),E^(@)=-1.36 V 2.303(RT)/F=0.06

Using the standerd half-cell potential listed, calculate the equilibrium constant for the reaction : Co(s)+2H^(+)(aq)toCo^(2+)(aq)+H_(2)(g)" at 298 K" Co^(2+)(aq)+2e^(-)toCo(s) E^(@)=-0.277 V

Consider the following half-cell reaction and associated standerd half-cell potentials and determine the maximum voltage thatr can be obtained by combination resulting in spontenous process : AuBr_(4)^(-)(aq)+3e^(-)toAu(s)+4BR^(-)(aq), E^(@)=-086V Eu^(3+)(aq)+e^(-)toEu^(2+)(aq), E^(@)=-043V Sn^(2+)(aq)+2e^(-)toSn(s), E^(@)=-0.14V IO^(-)(aq)+H_(2)O(l)+2e^(-)toI^(-)(aq)+2OH^(-), E^(@)=+0.49V

Calculate the equilibrium constant for the reaction 2Fe3+(aq) + 2I– (aq) → 2Fe2+(aq) + I2(s) E0cell = 0.236V

The E^(@) at 25^(@) C for the following reaction is 0.22 V. Calculate the equilibrium constant at 25^(@) C : H_(2)(g)+2AgCl(s)to2Ag(s)+2HCl(aq)

The standard electrode potential for Daniell cell is 1. IV. Calculate the standard Gibbs energy for the reaction: Zn(s) + Cu^(2+) (aq) rarr Zn^(2+)(aq) + Cu(s)

Calculate the equilibrium constant of the reaction: Cu(s) + 2Ag^+(aq) → Cu^(2+) (aq) + 2Ag(s) E^o(cell) = 0.46 V

Given the folowing standerd electrode potentials, the K_(sp) for PbBr_(2) is : PbBr_(2)(s)+2e^(-)toPb(s)+2Br^(-)(aq), E^(@)=-0.248 V Pb^(2+)(aq)+2e^(-)toPb(s), E^(@)=-0.126 V

Calculate the equilibrium constant for the reaction: Cd^(2+)+Zn(s)rarrZn^(2+)(aq)+Cd(s) If E_(Cd^(2+)|Cd)=-0.403V and E_(Zn^(2+)|Zn)=-.763V

MODERN PUBLICATION-ELECTROCHEMISTRY-EXERCISE
  1. The standard reduction potentials for Zn^(2+)|Zn, Ni^(2+)|Ni and Fe^(2...

    Text Solution

    |

  2. Given E(Cr^(3+)|Cr)^@=-0.74V,E(MnO4^-|Mn^(2+))^@=1.51V and E(Cr2O7^-/C...

    Text Solution

    |

  3. Consider the following standard electrode potentials and calculate the...

    Text Solution

    |

  4. The equilvalnet conductances of NaCl at concentration C and at inifnit...

    Text Solution

    |

  5. Resistance of 0.2 M solution of an electrolyte is 50 Omega. The specif...

    Text Solution

    |

  6. Two faraday of electricity is passed through a solution of CuSO 4 ​ ...

    Text Solution

    |

  7. Galvanisation is applying a coating of

    Text Solution

    |

  8. An alloy Pb-Ag weighing 1.08g was dissolved in dilute HNO3 and the vol...

    Text Solution

    |

  9. Calculate the reductoin potential of a half cell consisting of a plati...

    Text Solution

    |

  10. One Faraday of electricity is passed through molten Al2O3, aqueous sol...

    Text Solution

    |

  11. Consider the following four electrodes, P=Cu^(2+)(0.001M)|Cu(s) Q=cu^...

    Text Solution

    |

  12. When same quantity of electricity is passed for half an hour, the amou...

    Text Solution

    |

  13. The electrode potentials of a hydrogen, electrode at pH=10 is

    Text Solution

    |

  14. E1,E2 and E3 are the emfs of the following three galvanic cells respec...

    Text Solution

    |

  15. The standard redox potentials for the reacitons Mn^(2+)+2barerarrMn an...

    Text Solution

    |

  16. A current is passed through two cells connected in series. The first c...

    Text Solution

    |

  17. A weak electrolyte having the limiting equivalent conductance of 400 S...

    Text Solution

    |

  18. Which of the following cannot be expressed as N m^(-2) ?

    Text Solution

    |

  19. The approximate time duration in hours to electropole 30 g of calcium ...

    Text Solution

    |

  20. 1 M solution each of Cu(NO3)2, AgNO3, Hg(NO3)2 and Mg(NO3)2 is electro...

    Text Solution

    |