Home
Class 12
CHEMISTRY
3 Faradays of electricity was passed thr...

3 Faradays of electricity was passed through an aqueous solution of iron (II) bromide. The weight of iron metal (at. Wt. 56) deposited at the cathode (in g ) is

A

`56g`

B

`84g`

C

`112 g`

D

`168g`

Text Solution

Verified by Experts

The correct Answer is:
B
1 F ion discharge `= (56)/(2)xx3`
`3 F rarr 84 g`
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    ALLEN|Exercise EXERCISE-02|35 Videos

  • ELECTROCHEMISTRY

    ALLEN|Exercise EXERCISE-03|24 Videos

  • ELECTROCHEMISTRY

    ALLEN|Exercise INTEGER TYPE|18 Videos

  • CHEMISTRY AT A GLANCE

    ALLEN|Exercise ORGANIC CHEMISTRY|472 Videos

  • HYDROCARBON

    ALLEN|Exercise MCQ|15 Videos

Similar Questions

Explore conceptually related problems

Three faradays of electricity was passed through an aqueous solution of iron (II) bromide. The mass of iron metal (at mass 56) deposited at the cathode is:

When 0.04 F of electricity is passed through a solution of CaSO_(4) , then the weight of Ca^(2+) metal deposited at the cathode is

3F eletricity was passed through molten FeO. Weight of iron metal (Atomic wt=56) deposited at cathode (in g) is

When 0.1 Faraday of electricity is passed in aqueous solution of AlCl_(3) . The amount of Al deposited on cathode is

3A current was passed through an aqueous solution of an unknown salt of Pd for 1hr. 2.977 g of Pd^(+n) was deposited at cathode. Find n.

2.5 faradays of electricity is passed through solution of CuSO_(4) . The number of gram equivalents of copper depsoited on the cathode would be

If 3F of electricity is passed through the solutions of AgNO_3, CuSO_4 and AuCL_3 , the molar ration of the cations deposited at the cathode is .

Two faraday of electricity is passed through a solution of CuSO_(4) . The mass of copper deposited at the cathode is: (at mass of Cu = 63.5 amu)

A 5A current in passed through a solution of zinc sulphate for 40 min . The amount of zinc deposited at the cathode is

When chlorine gas is passed through an aqueous solution of potassium bromide, the solution turns brown due to the liberation of

ALLEN-ELECTROCHEMISTRY-Part (II) EXERCISE-01
  1. A chemist wants to produce Cl(2)(g) from molten NaCl. How many grams c...

    Text Solution

    |

  2. Consider the reaction: (T = 298 K) Cl2 (g) + 2 Br^(-) (aq) rarr 2 Cl...

    Text Solution

    |

  3. 3 Faradays of electricity was passed through an aqueous solution of ir...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. How many Faradays are needed to reduce 1 mole of MnO(4)^(-) to Mn^(2+...

    Text Solution

    |

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

    Text Solution

    |

  11. Zn|Zn((C(1)))^(2+)||Zn((C(2)))^(2+)| Zn(s). Then DeltaG is -ve if

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |