Home
Class 12
CHEMISTRY
Write chemical reactions taking place in...

Write chemical reactions taking place in the extraction of zinc from zinc blende.

Text Solution

Verified by Experts

(i) Roasting
` 2ZnS + 3O_2 to 2ZnO + 2SO_2 uarr`
`ZnS + 2O_2 to ZnSO_4`
` 2ZnSO_4 to 2ZnO + 2SO_2 + O_2`
(ii) Reduction
`ZnO + C to Zn + CO`
Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    ICSE|Exercise EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) (SHORT ANSWER QUESTIONS)|205 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    ICSE|Exercise EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) (LONG ANSWER QUESTIONS)|53 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    ICSE|Exercise EXERCISE (PART-I ( OBJECTIVE QUESTIONS )) (MATCH THE FOLLOWING)|6 Videos

  • ELECTROCHEMISTRY

    ICSE|Exercise ISC EXAMINATION QUESTIONS (PART-II Numerical Problems) |19 Videos

  • HALOALKANES AND HALOARENES

    ICSE|Exercise SOURCE|9 Videos

Similar Questions

Explore conceptually related problems

Write chemical reactions taking place in the extraction of Aluminium from Bauxite ore .

Write chemical reactions taking place in the extracion of Aluminium from Bauxite ore .

Describe the steps in the extraction of zinc metal from zinc blende.

Write the chemical reactions involved in the extraction of metallic silver from argentite.

Write the chemical reactions involved in the extraction of metallic silver from argentite.

Write the chemical reaction involved in the extraction of gold by cyanide process. Also give the role of zinc in the extraction.

Write the chemical reaction involved in the extraction of gold by cyanide process. Also give the role of zinc in the extraction.

Zinc is extracted from zinc blende by

Write the chemical equations for reactions involved in the extraction of copper from copper pyrites.

Write the chemical reactions which take place in the following operations : Isolation of zinc from zinc blende.

ICSE-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -EXERCISE (PART-II ( DESCRIPTIVE QUESTIONS )) (VERY SHORT ANSWER QUESTIONS)
  1. Give one example each of a liquid metal and a noble metal.

    Text Solution

    |

  2. Why is zinc not extracted from zinc oxide through reduction using CO?

    Text Solution

    |

  3. Write chemical reactions taking place in the extraction of zinc from z...

    Text Solution

    |

  4. Which metal is used to protect the iron sheets from rusting by a proce...

    Text Solution

    |

  5. How is galena (PbS) present as impurity removed from the ore of zinc b...

    Text Solution

    |

  6. Write a balanced equation for the reaction of argentite with KCN and n...

    Text Solution

    |

  7. Work out the following using chemical equation. In moist air, copper...

    Text Solution

    |

  8. In which of the following cases flux is required? (i) In the smelti...

    Text Solution

    |

  9. What is anode mud" in connection with the metallurgy of copper? What i...

    Text Solution

    |

  10. What is the percentage of silver in German silver'?

    Text Solution

    |

  11. Arrange in descending order of carbon content: Stainless steel, mild s...

    Text Solution

    |

  12. Name a metal which may be extracted from the respective ore by both el...

    Text Solution

    |

  13. What is the composition of Copper matte.

    Text Solution

    |

  14. What is meant by self-reduction process?

    Text Solution

    |

  15. An ore sample of galena (PbS) is contaminated with zinc blende (ZnS). ...

    Text Solution

    |

  16. The extraction of Au by leaching with NaCN involves both oxidation and...

    Text Solution

    |

  17. Why is the froth flotation method selected for the concentration of su...

    Text Solution

    |

  18. What is meant by the term pyrometallurgy?

    Text Solution

    |

  19. At a site, low grade copper ores are available and zinc and iron scrap...

    Text Solution

    |

  20. Why is electrolytic reduction preferred over chemical reduction for th...

    Text Solution

    |