Home
Class 11
CHEMISTRY
Aluminum is exteracted from alumine AI(2...

Aluminum is exteracted from alumine `AI_(2)O_(3)` by electrolysis of a molten mixture of :

A

`Al_(2)O_(3)+HF+NaAiF_(4)`

B

`Al_(2)O_(3)+CaF_(2)NaAIF_(4)`

C

`Al_(2)O_(3)+N a_(3)AIF_(6)+CaF_(2)`

D

`Al_(2)O_(3)+KF+Na_(3)AIF_(6)`

Text Solution

Verified by Experts

The correct Answer is:
C
It is the correct answer.
Promotional Banner

Topper's Solved these Questions

  • P BLOCK ELEMENTS (GROUP 13 AND 14 )

    DINESH PUBLICATION|Exercise Boron family|31 Videos

  • P BLOCK ELEMENTS (GROUP 13 AND 14 )

    DINESH PUBLICATION|Exercise Select the correct answer|24 Videos

  • P BLOCK ELEMENTS (GROUP 13 AND 14 )

    DINESH PUBLICATION|Exercise Problems of practice|18 Videos

  • ORGANIC CHEMISTRY - SOME BASIC PRINCIPLES & TECHNIOUES

    DINESH PUBLICATION|Exercise PURIFICATION & CHARACTERISATION OF ORGANIC COMPOUNDS|38 Videos

  • PHYSICAL AND CHEMICAL EQUILIBRIA

    DINESH PUBLICATION|Exercise ULTIMATE PREPARATORY PACKAGE|13 Videos

Similar Questions

Explore conceptually related problems

Aluminium is extracted from Alumina ( Al_(2)O_3 ) by electrolysis of a molten mixture of

Aluminium is extracted from alumina ( Al_2O_3 ) by electrolysis.

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Aluminium is extracted from bauxite by the electrolysis of molten mixture of Al_(2)O_(3) 3 with cryolite. Reason (R) : The oxidation state of Al in cryolite is + 3. In the light of the above statements, choose the most appropriate answer from the options given below:

In electrolysis of A1_(2)O_(3) by Hall-Heroult process:

Sodium metal is made by the electrolysis of a molten mixture of about 40% NaCI and 67% CaCI_(2) in a

DINESH PUBLICATION-P BLOCK ELEMENTS (GROUP 13 AND 14 )-Multiple choice
  1. Which of the following compound is not hydrolysed?

    Text Solution

    |

  2. Which of the following forces bind together carbon atoms in diamond?

    Text Solution

    |

  3. Na^(+), Mg^(2+), Al^(3+), and Si^(4+) are isoelectronic ions. Their io...

    Text Solution

    |

  4. An ammoniacal solution of cuprous chloride (CuCl) absorbs

    Text Solution

    |

  5. The oxide which does not act as reducing agent is:

    Text Solution

    |

  6. The structure and hybridisation of Si in Si(CH(3))(4) is

    Text Solution

    |

  7. The ion that cannot ne precipitated by both HCl and H(2)S is

    Text Solution

    |

  8. In graphie, the electron are

    Text Solution

    |

  9. Borax is uded as a cleaning agent because on dissolving in water, it g...

    Text Solution

    |

  10. Which of the following anions is present in the chain structure of sil...

    Text Solution

    |

  11. The stability of +1 oxidation state increases in the sequence :

    Text Solution

    |

  12. The straight chain polymer is formed by

    Text Solution

    |

  13. Which of the following molecular hydrises acts as a Lewis acid?

    Text Solution

    |

  14. Reaction of diborane with ammonia gives initially

    Text Solution

    |

  15. The correct order of mathching of the following compounds is:

    Text Solution

    |

  16. B(OH)(3) is

    Text Solution

    |

  17. Aluminum is exteracted from alumine AI(2)O(3) by electrolysis of a m...

    Text Solution

    |

  18. The basic structural unit of silicates is

    Text Solution

    |

  19. Which of the following is electron deficient ?

    Text Solution

    |

  20. Boric acid is an acid because its molecule

    Text Solution

    |