Home
Class 12
CHEMISTRY
When the sample of copper with zinc impu...

When the sample of copper with zinc impurityn is to be purified by electrolysis, the appropriate electrode are .

A

Cathode =Pure zine , Anode=Pure copper

B

Cathode=mpure sample, Anode= Pure copper

C

Cathode = Pure copper,Anode, Impure sample

D

Cathode =Impure zinc, Anode= Impure ,sample

Text Solution

Verified by Experts

The correct Answer is:
C
Impure metal mad anode while pure metal made cathode.
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    A2Z|Exercise Fuel Cell And Batteries|10 Videos

  • ELECTROCHEMISTRY

    A2Z|Exercise Construction And Working Of A Cell, Electrochemical Series And Its Applications|91 Videos

  • ELECTROCHEMISTRY

    A2Z|Exercise Section D - Chapter End Test|30 Videos

  • COORDINATION COMPOUNDS

    A2Z|Exercise Section D - Chapter End Test|30 Videos

  • GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF METALS

    A2Z|Exercise Section D - Chapter End Test|30 Videos

Similar Questions

Explore conceptually related problems

When the sample of copper with the zinc impurity is to be purified by electrolysis, the appropriate electrodes are

When the sample of Cu with Zn as impurity is to be purified by electrolysis, the appropriate electrodes are :

Refining of impure copper with zinc impurity is to be done by electrolysis using electrods as-

A2Z-ELECTROCHEMISTRY-Electrosis And Faraday'S Laws
  1. The metal that cannot obtained by electrolysis of an aqueous solution ...

    Text Solution

    |

  2. Electrolysis involves oxidation and reduction respectively at .

    Text Solution

    |

  3. When the sample of copper with zinc impurityn is to be purified by ele...

    Text Solution

    |

  4. The amount of ion discharged during electrolysis is not directly propr...

    Text Solution

    |

  5. In H2 -O2 fuel cell, 6.72 L of hydrogen at NTP reacts in 15 minutes, ...

    Text Solution

    |

  6. Which of the following is not a non-electrolyte ?

    Text Solution

    |

  7. Amount of electricty that can depostit 108 g of silver from AgNO3 aiky...

    Text Solution

    |

  8. Rgw atomic weight of Al is 27. When a current of 5F is passed through ...

    Text Solution

    |

  9. A certain current liberates 0.5g of hydrogen in 2 hours. How many gra...

    Text Solution

    |

  10. On passing 0.1 F of electricity through aluminimum chloride, the amoun...

    Text Solution

    |

  11. One Faraday of electricity when passed through a solution of copper su...

    Text Solution

    |

  12. A current of 2 A was passed for 1 h through a solution of CuSO4. 0.237...

    Text Solution

    |

  13. To deposit 0.6354 g of copper by electrolysis of aqueous cupric sulpba...

    Text Solution

    |

  14. What is the amount of chlorine evoled when 2 amperes of current is pas...

    Text Solution

    |

  15. 96500 culombs of electric current liberates from CuSO4 solution.

    Text Solution

    |

  16. Three faradays of electricity are passed through molten Al2O3 aqueous ...

    Text Solution

    |

  17. When electricity is passed through a solution of AlCl(3) and 13.5g of ...

    Text Solution

    |

  18. In an electroplating experiment m g of silver is deposited, whe 4 ampe...

    Text Solution

    |

  19. 2.5 F of electricity is passed through a CuSO4 solution. The number of...

    Text Solution

    |

  20. The amount of silver deposited by passing 241. 25 C of current through...

    Text Solution

    |