Home
Class 12
CHEMISTRY
State Farday's first law of electrolysis...

State Farday's first law of electrolysis. For the electrode reaction `Zn^(+2)+2e^(-)rarrZn_((s))`, what quantity of electricity in coloumbs is required to deposite one mole of zinc. 

Text Solution

Verified by Experts

To deposit 1 mole of Zinc from `Zn^(2+)` ion.
`96500 xx 2` coulombs are required.
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    SUBHASH PUBLICATION|Exercise Problem Section|25 Videos

  • CO-ORDINATION COMPOUNDS

    SUBHASH PUBLICATION|Exercise Questions|33 Videos

  • EXAM QUESTION PAPER JULY WITH ANSWER (2015)

    SUBHASH PUBLICATION|Exercise PART E|21 Videos

Similar Questions

Explore conceptually related problems

State the Faraday's first law of electrolysis. How many Faraday of electricity is required for the reduction of 1 mole of Mg^(2+) ions?

The amount of electricity required to deposit 0.9 g of aluminium when the electrode reaction is : Al^(3+) + 3e^(-) rarr Al (atomic mass of Al=27 )

100mL of 0.3 M Fe^(3+)(aq) ions were electrolyzed by a charge of 0.072F. In electrolysis, metal was deposited and O_(2)(g) was evolved. At the end of electrolysis, it is desired to oxidize the un - electrolyzed metal ion. Fe^(3+)+e^(-) rarrFe^(2+) Fe^(2+)+2e^(-)rarrFe The moles of Fe^(2+) ions left un - electrolyzed in the solution is a. 0.009" "b.0.021" "c.0.072" "d.0.042

For the cell reaction Zn(s) + Cu^(2+)(aq) rarr Cu(s) + Zn^(2+)(aq) E_("cell")^(@) = 1.10 V, DeltaG^(@) is :

For the cell reaction Zn(s) +Cu^(2+)(0.1M) rarr zn^(2+)(0.01M) + Cu(s) , If E^(@) is the strandard e.m.f. of the cell, then

(a) What type of a battery is the lead storage battery? Write the anode and the cathode reactions and the overall reaction occuring in a lead storage battery when current is drawn from it. (b) In the button cell, widely used in watches, the following reactions takes place: Zn(s)+Ag_2O(s)+H_2O(l) to Zn^(2+) (aq)+2OH^(-) (aq) Determine E^@ and Delta G^@ for the reaction:

SUBHASH PUBLICATION-ELECTROCHEMISTRY-Problem Section
  1. State Farday's first law of electrolysis. For the electrode reaction Z...

    Text Solution

    |

  2. E(cu)^(0)=0.34 and E(zn)^(0)=-0.76V. Calculate E("cell")^(0).

    Text Solution

    |

  3. E(Cu)^(0)=+0.34V and E(Ag)^(0)=+0.8V" calculate "E(cell")^(0).

    Text Solution

    |

  4. Calculate the EMF of the cell for the reaction. Mg((s))+2Ag((aq))^+ ...

    Text Solution

    |

  5. Calculate the e.m.f. of the cell in which the following reaction takes...

    Text Solution

    |

  6. Represent the cell in which the following reaction takes place Mg(s)...

    Text Solution

    |

  7. Calculate EMF of the cell represents below Zn//Zn^(2+)(C=0.1M)||Cu^(2+...

    Text Solution

    |

  8. For the standard cell Cu(s)|Cu^(2+)(aq)||Ag^(+)(aq)|Ag(s). [E((Cu^(2+)...

    Text Solution

    |

  9. For the standard cell Cu(s)|Cu^(2+)(aq)||Ag^(+)(aq)|Ag(s). [E((Cu^(2+)...

    Text Solution

    |

  10. Find the value of AG^(@) at 25^(@)C for the following electrochemical ...

    Text Solution

    |

  11. Calculate e.m.f. of cell for the reaction : Mg((s))+Cu^(2+)"(0.0001 ...

    Text Solution

    |

  12. Calculate DeltarG^@ for the following reactions: Fe^(+2) (aq)+Ag^(+)...

    Text Solution

    |

  13. Find the value of AG^(@) at 25^(@)C for the following electrochemical ...

    Text Solution

    |

  14. (a) The electrode potential for the Daniell cell given below is 1.1 V....

    Text Solution

    |

  15. Calculate standard free energy change for reaction Zn(S)+2Ag^(+)(aq) L...

    Text Solution

    |

  16. Calculate the equilibrium constant for the reaction Cu(s)+2Ag+(aq)ra...

    Text Solution

    |

  17. Calculate the equilibrium constant for the reaction Cu(s)+2Ag+(aq)ra...

    Text Solution

    |

  18. The cell in which of the following reaction occurs: 2Fe^(3+)(aq)+2I^...

    Text Solution

    |

  19. Resistance of a conductivity cell filled with 0.02 M KCl solution is 5...

    Text Solution

    |

  20. The resistance of solution of a salt occupying a volume between two pl...

    Text Solution

    |

  21. c) Resistance of a conductivity cell containing 0.1 M KCl solution is ...

    Text Solution

    |