Home
Class 12
CHEMISTRY
Which one of the following compounds is ...

Which one of the following compounds is used to reduce copper oxide during extraction of copper from sulphide ore -

A

iron sulphide

B

carbon monoxide `(CO)`

C

copper (I) sulphide `(Cu_(2)S)`

D

sulphur dioxide

Text Solution

Verified by Experts

The correct Answer is:
C
In self-reduction process, copper oxide reacts with cuprous sulphide to form metallic copper.
`2Cu_(2)S+3O_(2)rarr 2Cu_(2)O+2SO_(2)uarr`
`Cu_(2)S+2Cu_(2)Orarr 6Cu+SO_(2)uarr`.
Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    CHHAYA PUBLICATION|Exercise ENTRANCE (Question Bank) (AIIMS)|8 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    CHHAYA PUBLICATION|Exercise SOLVED NCERT EXEMPLAR PROBLEMS|12 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    CHHAYA PUBLICATION|Exercise ENTRANCE (Question Bank)|8 Videos

  • EQUILIBRIUM

    CHHAYA PUBLICATION|Exercise PRACTICE TEST 7|14 Videos

  • HALOAKANES AND HALOARENES

    CHHAYA PUBLICATION|Exercise Practise set 10 (Answer the following questions)|10 Videos

Similar Questions

Explore conceptually related problems

Which one of the following is an oxide.

Extraction of copper from copper matte

Which of the following compounds reduces Cu_(2)O to metallic Cu during extraction of Cu from sulphide ore -

Which of the following contains copper ?

Which of the following plants is used to extract the blue dye ?

Which one of the following is an ore of iron -

Which one of the following is a non-reducing carbohydrate?

Which one of the following is a non-reducing carbohydrate?

Which one of the following is non-reducing sugar-

CHHAYA PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-ENTRANCE (Question Bank) (JEE-MAIN)
  1. Which process of refining can be described by the following equation -...

    Text Solution

    |

  2. Which series of reactions correctly represents chemical relations rela...

    Text Solution

    |

  3. The metal that cannot be obtained by electrolysis of an aqueous soluti...

    Text Solution

    |

  4. In the context of the Hall-Heroult process for the extraction of Al, w...

    Text Solution

    |

  5. Which one of the following ores is best concentrated by froth-floatati...

    Text Solution

    |

  6. Galvanisation is applying a coating of -

    Text Solution

    |

  7. The following reactions take place in the blast furnace in the prepara...

    Text Solution

    |

  8. Which one of the following pairs of metals is purified by van-Arkel me...

    Text Solution

    |

  9. Which one of the following elements is present as inpurity in pig iron...

    Text Solution

    |

  10. Which one of the following is an ore of iron -

    Text Solution

    |

  11. Which one of the following compounds is used to reduce copper oxide du...

    Text Solution

    |

  12. The molten mixture containing alumina (Al(2)O(3)) from which aluminium...

    Text Solution

    |

  13. In the extraction of copper from its sulphide ore, the metal finally o...

    Text Solution

    |

  14. Zinc can be coated on iron to produce galvanised iron but the reverse ...

    Text Solution

    |

  15. Extraction of gold and silver involves leaching with CN^(Theta) ion. S...

    Text Solution

    |

  16. Considerting Ellingham diagram, which of the following metals can be u...

    Text Solution

    |