Home
Class 12
CHEMISTRY
How much electricity is required in coul...

How much electricity is required in coulomb for the oxidation of i. 1 mol of `H_2 O` to `O_2` ii. `1 ~mol` of `FeO` to `Fe_2 O_3`

Text Solution

Verified by Experts

i. `2 H_2 O 4 H^*+O_2+4 e` 2F of electricity is required tor the oxidation of `mid` mole of `H_3 odot` ii. `Fe^2 cdot Fe^k++e` IF of electricity is required for the oxidation of I mole of FeO.
Promotional Banner

Topper's Solved these Questions

  • COORDINATION COMPOUNDS

    V PUBLICATION|Exercise QUESTION BANK|113 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    V PUBLICATION|Exercise QUESTION BANK|139 Videos

Similar Questions

Explore conceptually related problems

How much charge is required for the following reductions: i. 1 mol of Al^3+ to Al ? ii. 1 ~mol of Cu^2 * to Cu ? 1 ~mol ot MnO_4^- to Mn^2+

Calculate the oxidation number of S in H_2S and O in H_2O_2 .

Which of the following on oxidation gives ' H_2 O_2'

How much electricity in terms of Faraday is required to produce i. 20.0 ~g of Ca from molten CaCl_2 ? ii. 40.0 ~g of Al from molten Al_2 O_2 ?

How much iron can be theoretically obtained by the reduction of 1 kg of Fe_2O_3 Atomic mass of Fe = 55.8.

In the extraction of Fe from 'Fe_2 O_3' the reducing agent is

On passing silent electric discharge through oxygen in an 5.5 mol % of oxygen is converted to ozone. How many moles of O_(2) and O_(3) moles of O_(2) is originally present?

Oxidation number of Fe in Fe_(3)O_(4) is

V PUBLICATION-ELECTROCHEMISTRY-QUESTION BANK
  1. How much charge is required for the following reductions: i. 1 mol of ...

    Text Solution

    |

  2. How much electricity in terms of Faraday is required to produce i. 20....

    Text Solution

    |

  3. How much electricity is required in coulomb for the oxidation of i. 1 ...

    Text Solution

    |

  4. A solution of Ni(NO3)2 is electrolysed between platinam electrodes usi...

    Text Solution

    |

  5. Three electrolytic cells A, B, C containing solutions of ZnSO4, AgNO3 ...

    Text Solution

    |

  6. Using the standard electrode potentials given : in Table 3.1( book), p...

    Text Solution

    |

  7. Predict the products of electrolysis in each of the following: ¡. An a...

    Text Solution

    |

  8. "Even combustion of fuels can be used to generate electricity". Commen...

    Text Solution

    |

  9. How will you show that Faraday's second law of electrolysis is simply ...

    Text Solution

    |

  10. Name, the products of electrolysis of the following a) if Copper sulph...

    Text Solution

    |

  11. A part of electrodes series is given. Observe the values and fill up ...

    Text Solution

    |

  12. A. 0.05 M NaOH solution offered, a.resistance of 31.6 ohm in a conduc...

    Text Solution

    |

  13. Calculate the single electrode potential at 298 K of the Cu ^2 + /...

    Text Solution

    |

  14. The molar conductances of HCl, NaCl and CH 3 ​ COONa are 426ohm^-1 ...

    Text Solution

    |

  15. The measured emf at 25^circ C for the cell reaction. Zn(s)+Cu^2 *(1.0 ...

    Text Solution

    |

  16. NH4OH is a weak electrölyte whose equivalent conductance can be found ...

    Text Solution

    |

  17. 10. A student 'tried to find out the standard reduction'potentials of ...

    Text Solution

    |

  18. Iron metal is largely used for making ships. ln the sea, ship is in co...

    Text Solution

    |

  19. In Appollo space programme the fuel cells are used not only for electr...

    Text Solution

    |

  20. The cell reaction for a galvanic cellIs Ni(s)+2Ag(aq)^(+) rarr Ni(aq)...

    Text Solution

    |