Home
Class 12
CHEMISTRY
Extraction of gold and silver involves l...

Extraction of gold and silver involves leaching with `CN^(-)`ion.silver is later recovered by:

A

distillation

B

zone refining

C

displacement with Zn

D

Liquation

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    TARGET PUBLICATION|Exercise Evaluation Thinking|15 Videos

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    TARGET PUBLICATION|Exercise Critical Thinking|54 Videos

  • ELECTROCHEMISTRY

    TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos

  • HALOGEN DERIVATIVES OF ALKANES AND ARENES

    TARGET PUBLICATION|Exercise EVALUATION TEST|19 Videos

Similar Questions

Explore conceptually related problems

Extraction of gold and silver involves leaching the metal with CN^(-) ion. The metal is recovered by :

Extraction of gold and silver involves leaching the metal with CN^(-) ion. The metal is recovered by _______ Note: Answer the question 11.13 on the basis of Fig.

TARGET PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-Competitive Thinking
  1. Name the reagent that is used in leaching of gold .

    Text Solution

    |

  2. In the equation , 4M + 8CN^(-) + 2H(2)O + O(2) to 4 [M(CN)(2)]^(-) + 4...

    Text Solution

    |

  3. Extraction of gold and silver involves leaching with CN^(-)ion.silver ...

    Text Solution

    |

  4. Extraction of gold(Au) involves the formation of complex ions'X' and '...

    Text Solution

    |

  5. When limestone is heated, CO(2) is given off. The metallurgical operat...

    Text Solution

    |

  6. The sunstance which is mixed with the ore for removel of impurities is...

    Text Solution

    |

  7. Flux is used to remove

    Text Solution

    |

  8. Which of the following fluxes is used to remove acidic impurities in ...

    Text Solution

    |

  9. When a metal is to be extracted from its ore, if the gangue associated...

    Text Solution

    |

  10. Hydro-metallurgical process of extraction of metals is based on

    Text Solution

    |

  11. Name the metal that is purified by placing the impure metal on sloping...

    Text Solution

    |

  12. In order to refine "blister copper' it is melted in a furnace and is s...

    Text Solution

    |

  13. Zone refining is a method to obtain

    Text Solution

    |

  14. Which method is used to get very pure germanium used is semiconductor ...

    Text Solution

    |

  15. Which metal is refined by Mond's process?

    Text Solution

    |

  16. Which element is obtained in the pure from by van - Arkel method ?

    Text Solution

    |

  17. Extraction of zinc from zinc blende is achieved by

    Text Solution

    |

  18. Which ore is used for the manufacture of iron ?

    Text Solution

    |

  19. Which one is a major impurity in pig iron ?

    Text Solution

    |

  20. Inner layer of blast furnace is made of .

    Text Solution

    |