Home
Class 12
CHEMISTRY
Three moles of electrons are passed thro...

Three moles of electrons are passed through three solutions in succession containing `AgNO_(3),CuSO_(4)` and `AuCI_(3)` respectively. The molar ratio of amounts of cations reduced at cathode will be:-

A

`1:2:3`

B

`2:1:3`

C

`3:2:1`

D

`6:3:2`

Text Solution

Verified by Experts

The correct Answer is:
D
`{:(,Ag.^(+) ,,Cu^(2+),,Au^(3+)),(,(1)/(1),:,(1)/(2),:,(1)/(3)),(=,6,:,3,:,2):}`
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    ALLEN|Exercise EXERCISE-02|36 Videos

  • ELECTROCHEMISTRY

    ALLEN|Exercise EXERCISE-03|24 Videos

  • ELECTROCHEMISTRY

    ALLEN|Exercise INTEGER TYPE|18 Videos

  • CHEMISTRY AT A GLANCE

    ALLEN|Exercise ORGANIC CHEMISTRY|483 Videos

  • HYDROCARBON

    ALLEN|Exercise MCQ|15 Videos

Similar Questions

Explore conceptually related problems

Three moles of electrons are passed through three solutions in succession containing AgNO_(3),CuSO_(4) and AuCl_(3) respectively. The molar ratio of amounts of cations reduced at cathode will be

Three mole of electrons are passed through three solutions in succession containing AgNO_(3), CuSO_(4) and AuCl_(3) respectively. The ratio of amounts of cations reduced at cathode will be :

Exactly 0.2 mole electrons are passed through two electrolytic cells in series containing CuSO_(4) and ZnSO_(4) respectively. How many grams of each metal will be deposited on the respective cathodes in the two cells ?

1 mol of electrons passes through molten form of AgNo_(3), CuSo_(4) and AICl_(3) when Ag, Cu and Al are deposited. Their molar ratio will be :

One mole of electron passes through each of the solution of AgNO_3, CuSO_4 and AlCl_3 when Ag, Cu and Al are deposited at cathode. The molar ratio of Ag,Cu and Al deposited are

In passing 3F of electricity through three electrolytic cells connect in series containing Ag^(o+),Ca^(2+), and Al^(3+) ions, respectively. The molar ratio in which the three metal ions are liberated at the electrodes is

ALLEN-ELECTROCHEMISTRY-Part (II) EXERCISE-01
  1. Three faradays of electricity qas passed through an aqueous solution o...

    Text Solution

    |

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

    Text Solution

    |

  3. Three moles of electrons are passed through three solutions in success...

    Text Solution

    |

  4. The emf of the cell involving the following reaction, 2Ag^(+) +H(2) ra...

    Text Solution

    |

  5. For the electrochemicl cell, M|M^(+)||X^(-)|X E((M^(+)//M))^(@) = 0.44...

    Text Solution

    |

  6. For the net cell reaction of the cell Zn(s) |Xn^(2+) ||Cd^(2+) |Cd(s) ...

    Text Solution

    |

  7. How many faraday are required to reduce one mol of MnO(4)^(-) to Mn^(2...

    Text Solution

    |

  8. Cu^(+) + e rarr Cu, E^(@) = X(1) volt, Cu^(2+) + 2e rarr Cu, E^(@) =...

    Text Solution

    |

  9. Zn|Zn^(2+)(c(1)) || Zn^(2+)(c(2))|Zn. For this cell DeltaG is negative...

    Text Solution

    |

  10. Pt(H(2))(p(1))|H^(o+)(1M)|(H(2))(p(2)),Pt cell reaction will be exergo...

    Text Solution

    |

  11. Pt |{:((H(2))),(1atm):}:| pH = 2:|:|:pH =3 |:{:((H(2))Pt),(1atm):}:|. ...

    Text Solution

    |

  12. M^(2+) +2e rarr M. 0.275 g of metal M is deposited at the cathode due ...

    Text Solution

    |

  13. In an electrochemical cell that function as a voltaic cell:-

    Text Solution

    |

  14. A certain metal salt solution is electrolysed in series with a silver ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  17. If same quantity of electricity is passed through CuCI and CuSO(4) the...

    Text Solution

    |

  18. For Zn^(2+) //Zn, E^(@) =- 0.76, for Ag^(+)//Ag, E^(@) = -0.799V. The...

    Text Solution

    |

  19. The oxidation potential of a hydrogen electrode at pH = 10 and P(H(2))...

    Text Solution

    |

  20. If x is specific resistance of the electrolyte solution and y is the m...

    Text Solution

    |