Home
Class 12
CHEMISTRY
Consider the reaction : Cr(2)O(7)^(2-)...

Consider the reaction :
`Cr_(2)O_(7)^(2-)+14H^(+)+6e^(-) to 2Cr^(3+)+7H_(2)O`
What is the quantity of electricity in coulombs needed to reduce 1 mole of `Cr_(2)O_(7)^(2-)` ions ?

A

`5.79xx10^(5)`

B

`5.69xx10^(5)`

C

`5.59xx10^(5)`

D

`5.49xx10^(5)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NEET MOCK TEST 12

    NTA MOCK TESTS|Exercise CHEMISTRY|45 Videos

  • NEET MOCK TEST 14

    NTA MOCK TESTS|Exercise CHEMISTRY|45 Videos

Similar Questions

Explore conceptually related problems

Consider the reaction : Cr_(2)O_(7)^(2-)+14H^(+)+6e^(-) rarr 2Cr^(3+)+7H_(2)O What is the quantity of electricity in coulombs needed to reduce 1 mol e of Cr_(2)O_(7)^(2-) ?

Consider the reaction Cr_(2)O_(7)^(2-)+14H^(+)6e^(-)rarr2Cr^(3+)+8H_(2)O What is the quantity of electricity in coulombs needed to reduce 1 mole of Cr_(2)O_(7)^(2) ?

How many coulombs of electricity is required to reduce 1 mole of Cr_2O_7^(2-) in acidic medium?

In the reaction: Cr_(2)O_(7)^(2-) + 14H^(o+) + 6I^(Ө) rarr2Cr^(3+) + 3H_(2)O + 3I_(2) Which element is reduced?

NTA MOCK TESTS-NEET MOCK TEST 13-MCQs (CHEMISTRY)
  1. Arrange in the order of stability of enol form of the compounds:

    Text Solution

    |

  2. Among the following sets of bases, which set of bases is present both ...

    Text Solution

    |

  3. Consider the reaction : Cr(2)O(7)^(2-)+14H^(+)+6e^(-) to 2Cr^(3+)+7H...

    Text Solution

    |

  4. Which of the following octahedral complex does not show geometrical is...

    Text Solution

    |

  5. Identify the correct statement about borazene, B(3)N(3)B(6). (i) Bor...

    Text Solution

    |

  6. When CH(2)=CH -CO OH is reduced with LiAlH(4) the compound obtained wi...

    Text Solution

    |

  7. The starting material used in Solvay's process are

    Text Solution

    |

  8. Compound (P) forms a precipitate with AgNO(3). The precipitate dissolv...

    Text Solution

    |

  9. Addition of sodium hydroxide solution to a weak acid (HA) results in a...

    Text Solution

    |

  10. The wave character of moving electron was experimentally verified by :

    Text Solution

    |

  11. The ability of ion to bring about coagulation of a given collidal solu...

    Text Solution

    |

  12. deltaU is equal to

    Text Solution

    |

  13. Sodium extract is heated with con. HNO(3) before testing for halogens ...

    Text Solution

    |

  14. What amount of bromine will be required to convert 2g of phenol into 2...

    Text Solution

    |

  15. For the decompoistion of HI at 1000 K(2HI rarr H(2)+I(2)), following d...

    Text Solution

    |

  16. Molecular weight of oxalic acid is 126. the weight of oxalic acid requ...

    Text Solution

    |

  17. The energy of second Bohr orbit of the hydrogen atom is - 328 k J mol^...

    Text Solution

    |

  18. The resistance of 1N solution of acetic acid is 250ohm, when measured ...

    Text Solution

    |

  19. A salt MA(2) ionises as MA(2)hArr M^(2+)+2A^(-) It was found that ...

    Text Solution

    |

  20. The solubility product of AgCl is 1.8xx10^(-10). Precipitation of AgCl...

    Text Solution

    |