Home
Class 12
CHEMISTRY
Alumina is mixed with cryolite and subje...

Alumina is mixed with cryolite and subjected to electrolysis to extract aluminium.
Write the equation of the reduction reaction taking place at negative electrode.

Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|80 Videos
  • HALOALKANES AND HALOARENES

    A N EXCEL PUBLICATION|Exercise QUESTION BANK |87 Videos

Similar Questions

Explore conceptually related problems

Alumina is mixed with cryolite and subjected to electrolysis to extract aluminium. Which are the ions present in alumina?

Alumina is mixed with cryolite and subjected to electrolysis to extract aluminium. Why cryolite is added to alumina?

Write the chemcial equation for the reac-tion taking place at the Cu electrode.

Write the equations of the oxidation and reduction reactions.

Some materials are given below: Write the chemical equation of the reaction taking place at the cathode.

Electrolysis of molten Sodium Chloride (NaCI) is conducted: Write the chemical equation fo the reaction taking place at the cathode.

Flow chart of Manufacturing Aluminium. Write down the reactions taking place in Anode and Cathode.

Write the chemical equation of the following reactions:- Mixing PtF_6 and Xe.

Write the chemical equation of the reac-tion at the cathode. in electrolysis of alumina?

Complete the chemical equation for the re-action taking place when Aluminium hy-droxide is heated.

A N EXCEL PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. Which of the following is the ore of zinc?

    Text Solution

    |

  2. There are servral methods for refining metals. Explain a method for re...

    Text Solution

    |

  3. Metals are extracted from their ores. Among the following which metal ...

    Text Solution

    |

  4. Carbonate ores are usually subjected to calcination, while sulphide or...

    Text Solution

    |

  5. Leaching is a process of concentration of ores. Explain the leaching o...

    Text Solution

    |

  6. Which of the following is not an Ore of Iron? Haematite,Magnetite,Mala...

    Text Solution

    |

  7. Explain froth floatation process for the concentration of Ore.

    Text Solution

    |

  8. During metallurgy, the metal extracted may still contain impurities. D...

    Text Solution

    |

  9. Name two metals that are refined by distillation.

    Text Solution

    |

  10. How would you convert crude germanium into ultrapure germanium? Explai...

    Text Solution

    |

  11. What is the role of limestone (CaCo3) in the extraction of iron?

    Text Solution

    |

  12. Alumina is mixed with cryolite and subjected to electrolysis to extrac...

    Text Solution

    |

  13. What is pig iron?

    Text Solution

    |

  14. What is hydrometallurgy?

    Text Solution

    |

  15. Explain the method of preparation of copper by hydrometallurgy.

    Text Solution

    |

  16. Explain the method of refining copper.

    Text Solution

    |

  17. Copper is a useful metal and is generally extracted from copper pyrite...

    Text Solution

    |

  18. How is blister copper obtained from copper matte?

    Text Solution

    |

  19. Why is blister coper called so?

    Text Solution

    |

  20. Give any two uses of copper.

    Text Solution

    |