Home
Class 12
CHEMISTRY
How many Faradays are required to reduce...

How many Faradays are required to reduce all the chromium in 0.150L of 0.115 M of `Cr_(2)O_(7)^(2-)` to `Cr^(2+)`?

A

0.920F

B

0.690F

C

0.138F

D

0.069F

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Conductance and Kohlrausch s law|40 Videos

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Reasoning type|28 Videos

  • ELECTROCHEMISTY

    GRB PUBLICATION|Exercise Thermodynamics in Electrochemistry|22 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

The charge required for the reduction of 1 mole of Cr_(2)O_(7)^(2-) ions to Cr^(3+) is

How many faradys are required to reduce one mole of Cr_(2)O_(7)^(-2)to Cr^(+3) ?

The charge required for the reduction of 1 mol Cr_(2)O_(7)^(2-) ions to Cr^(3+) is

How many faradays of charge are required to convert: (a). 1 mole of MnO_(4)^(-) to Mn^(2+) ion, (b). 1 mole of Cr_(2)O_(7)^(2-) to Cr^(2+) ion

GRB PUBLICATION-ELECTROCHEMISTY-Faraday s Laws and Electrolysis
  1. How many "mole"s of electrons must be removed from each "mole" of toul...

    Text Solution

    |

  2. H(2)(g) is produced industrially by electrolysis of aq. NaCl using ine...

    Text Solution

    |

  3. How many Faradays are required to reduce all the chromium in 0.150L of...

    Text Solution

    |

  4. An aqueous solution of CuSO(4) is electrolyzwed for 1.50 hours with a...

    Text Solution

    |

  5. A steady current of 1.20 ampere is passed through a solution of MCl(x)...

    Text Solution

    |

  6. If aq. CuCl(2) solution is electrolysed by using Cu electrodes then pr...

    Text Solution

    |

  7. An electrolysis cell is operated for 3000 a using a current of 1.50A. ...

    Text Solution

    |

  8. Aluminium is produced commercially by the electrolysis of Al(2)O(3). H...

    Text Solution

    |

  9. How many liters of chlorine gas, Cl(2), measured at 0^(@)C and 1 atm a...

    Text Solution

    |

  10. For how many seconds must a current of 5.00 A flow in order to deposit...

    Text Solution

    |

  11. It takes 126.5 minutes using a current of 5.15 A to deposit all of the...

    Text Solution

    |

  12. A current of 0.0965 ampere is passed for 1000 seconds through 50mL of ...

    Text Solution

    |

  13. When a current of 0.25 ampere is passed through excess of molten MCl(x...

    Text Solution

    |

  14. In an electrolytic cell the electrode at which the electrons enter the...

    Text Solution

    |

  15. A solution containing equimolar amounts of NiCl(2) and SnBr(2) is elec...

    Text Solution

    |

  16. A current of 2.0A is used to plate Ni(s) from 500mL of a 1.0M Ni^(2+)(...

    Text Solution

    |

  17. What occurs when an aqueous solution of Na(2)SO(4) containing several ...

    Text Solution

    |

  18. A current of 12A is used to plate nickel from a Ni(NO(3))(2) solution....

    Text Solution

    |

  19. A 3.00amp current is used to electrolyze the molten chlorides, CaCl(2)...

    Text Solution

    |

  20. The deposition of 1.0g of which element from its molten chloride requi...

    Text Solution

    |