Home
Class 12
CHEMISTRY
While extracting an element from its ore...

While extracting an element from its ore, the ore is grind and leached with dil KCN solution to form the soluble product potassium argentocyanide. The element is

A

Lead

B

Chromium

C

Manganese

D

Silver

Text Solution

Verified by Experts

The correct Answer is:
D
Cyanide process is used in the metallurgy of Ag
` 2Ag _2 S + 8 NaCN + O_2 + 2 H_ 2 O to 4 NA [Ag (CN)_2 ] + NaOH + 2S 2 Na [Ag (CN)_2 ] + Zn to Na_2 [Zn (CN)_4 ] +2Ag darr `
Promotional Banner

Topper's Solved these Questions

  • GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS

    DISHA PUBLICATION|Exercise EXERCISE -1: CONCEPT BUILDER (TOPICWISE)|60 Videos

  • EQUILIBRIUM

    DISHA PUBLICATION|Exercise Exercise-2 : Concept Applicator|30 Videos

  • HALOALKANES AND HALOARENES

    DISHA PUBLICATION|Exercise Exercise -2 : Concept Applicator|28 Videos

Similar Questions

Explore conceptually related problems

The method to extract silver from its ore

Extraction of copper from its sulphide ore.

Which metal is leached from its ore by the use of KCN

The complete of extracting the metal form its ores is called _____.

DISHA PUBLICATION-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS-EXERCISE -1: CONCEPT APPLICATOR
  1. A sulphide ore is first converted into its oxide before reduction. Thi...

    Text Solution

    |

  2. Carbon and CO gas are used to reduce which of the following pairs of m...

    Text Solution

    |

  3. While extracting an element from its ore, the ore is grind and leached...

    Text Solution

    |

  4. Consider the following statements - In the aluminothermite process,...

    Text Solution

    |

  5. Which statement is correct?

    Text Solution

    |

  6. Aluminium is prepared in large quantities by

    Text Solution

    |

  7. The incorrect statement among the following is

    Text Solution

    |

  8. Select the property which forms the basis of hydrometallurgical proces...

    Text Solution

    |

  9. which of the following electronts is present as the impurity to the m...

    Text Solution

    |

  10. Which of the following pairs of metals uis purified by van arkel meth...

    Text Solution

    |

  11. The following reaction take place in the blast in the proparation of i...

    Text Solution

    |

  12. Aluminium is extracted from Alumina (Al(2)O3 ) by electrolysis of a mo...

    Text Solution

    |

  13. Which ore of the following is a mineral of iron ?

    Text Solution

    |

  14. In the exteraction of copper from its sulphide ore, the metal is fanal...

    Text Solution

    |

  15. 'Metals are usually not found as nitrates in their ores''. Out of the ...

    Text Solution

    |

  16. In the exteraction of copper from its sulphide ore, the metal is fanal...

    Text Solution

    |

  17. Aluminium is extracted from Alumina (Al(2)O3 ) by electrolysis of a mo...

    Text Solution

    |

  18. Which ore of the following is a mineral of iron ?

    Text Solution

    |

  19. In the exteraction of copper from its sulphide ore, the metal is fanal...

    Text Solution

    |

  20. 'Metals are usually not found as nitrates in their ores''. Out of the ...

    Text Solution

    |