Home
Class 12
CHEMISTRY
The charge required for the reduction of...

The charge required for the reduction of 1 mol of `MnO_(4)^(-)` to `MnO_(2)` is

A

1 F

B

3 F

C

5 F

D

7 F

Text Solution

Verified by Experts

The correct Answer is:
B

`overset(+7)(M)nO_(4)^(-) + 3e^(-) to overset(+4)(M) nO_(2)`
Charge required for reduction of 1 mol of `MnO_(4)^(-) = 3 F`
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise COMPETITION FILE (OBJECTIVE TYPE QUESTIONS) C MULTIPLE CHOICE QUESTIONS|10 Videos
  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise COMPETITION FILE (OBJECTIVE TYPE QUESTIONS) D MULTIPLE CHOICE QUESTIONS|12 Videos
  • ELECTROCHEMISTRY

    MODERN PUBLICATION|Exercise COMPETITION FILE (OBJECTIVE TYPE QUESTIONS) (MULTIPLE CHOICE QUESTIONS )|35 Videos
  • D AND F-BLOCK ELEMENTS

    MODERN PUBLICATION|Exercise UNIT PRACTICE TEST|12 Videos
  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    MODERN PUBLICATION|Exercise COMPETION FILE (Integer Type Numerical Value Type Questions)|5 Videos

Similar Questions

Explore conceptually related problems

How many coulombs of electricity are required for the reduction of 1 mole of MnO_(4)^(-) to Mn^(2+) ?

How many coulombs are required for the reduction of 1 mol of MnO_(4)^(-) " to " Mn^(2+) ?

What is the quantity of charge needed for the reduction of 1 mole of MnO_(4)^(-) ion to Mn^(2+) ion ?

The charge required for reducing 1 mole of MnO_4^(-) to Mn^(2+) is

The charge required for the oxidation of one mole of Mn_(3)O_(4) to MnO_(4)^(2-) in alkaliine medium is (assume 100% current efficiency):

MODERN PUBLICATION-ELECTROCHEMISTRY -COMPETITION FILE (OBJECTIVE TYPE QUESTIONS) B MULTIPLE CHOICE QUESTIONS
  1. At a particular temperature, the ratio of molar conductance to specifi...

    Text Solution

    |

  2. For a cell involving two electron change , E(cell)^(@) = 0.3 V at 25^...

    Text Solution

    |

  3. The charge required for the reduction of 1 mol of MnO(4)^(-) to MnO(2)...

    Text Solution

    |

  4. Consider the electrochemical reaction between Ag (s) and Cl(2) (g) ele...

    Text Solution

    |

  5. The conductivity of 0.1 mol L^(-1) KCl solution is 1.41 xx 10^(-3) S ...

    Text Solution

    |

  6. How long (approximate) should water be electrolysed by passing through...

    Text Solution

    |

  7. The pH of LHE in the following cell is : Pt, H(2)(1atm)|H^(o+)(x M)...

    Text Solution

    |

  8. 1 litre aqueous solution of NaCl was electrolysed bètweern Pt electrod...

    Text Solution

    |

  9. Two aqueous solutions A and B containing solute CuSO(4) and NaBr respe...

    Text Solution

    |

  10. Given E(Mn^(7+)//Mn^(2+))^(@) and E(Mn^(4+)//Mn^(2+))^(@) are 1.51 V a...

    Text Solution

    |

  11. Calculate EMF of following cell at 298 K Zn|ZnSO(4) (0.1 M) ||CuSO(4...

    Text Solution

    |

  12. The standard electrode potential E^(Theta) and its temperature coeffic...

    Text Solution

    |

  13. Calculate the standard cell potential (in V) of the cell in which foll...

    Text Solution

    |

  14. A solution of Ni(NO(3))(2) is electrolysed between platinum electrode...

    Text Solution

    |

  15. If the standed electrode potential for a cell is 2 V at 300 K, the equ...

    Text Solution

    |

  16. Given : Co^(3+)+e^(-)rarr Co^(2+), E^(@)=+1.181V Pb^(4+)+2e^(-)rar...

    Text Solution

    |

  17. The standard Gibbs energy for the given cell reaction is KJmol^(-1) at...

    Text Solution

    |

  18. In the cell Pt (s) | H(2) (g, 1 " bar")| HCl (aq)| AgCl(s) | Ag(s) | P...

    Text Solution

    |

  19. ^^(m)^(@) for NaCI,HCI and NaA are 126.4,425.9 and 100.5Scm^2 m ol^(-1...

    Text Solution

    |

  20. Which one of the following graphs between molar conductivity (A(m)) ...

    Text Solution

    |