Home
Class 12
CHEMISTRY
Why is zinc not extracted from zinc oxid...

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

Text Solution

Verified by Experts

The standard free energy of formation `(triangle_(f)G^(ɵ))` of `CO_2` from CO is higher than that of the formation of ZnO from Zn. Therefore, CO canot be used to reduce ZnO to Zn.
Promotional Banner

Topper's Solved these Questions

  • APPENDIX INORGANIC VOLUME 2

    CENGAGE CHEMISTRY ENGLISH|Exercise Short Answer Type|179 Videos

  • APPENDIX INORGANIC VOLUME 2

    CENGAGE CHEMISTRY ENGLISH|Exercise Short Answer Type|179 Videos

  • ALIPHATIC AND AROMATIC ALDEHYDES AND KETONES

    CENGAGE CHEMISTRY ENGLISH|Exercise Archives Subjective|26 Videos

  • AROMATIC COMPOUNDS AND ALKYL AND ARYL HALIDES

    CENGAGE CHEMISTRY ENGLISH|Exercise Archives Subjective Type|4 Videos

Similar Questions

Explore conceptually related problems

Zinc is extracted from zinc blende by

Zinc is extracted from zinc oxide by its reaction with coke in

Why is the extraction of copper from pyrites more difficult than that from its oxide ore through reduction?

Aluminium is extracted from its oxide by electrolytic reduction and not by conventional reducing agents.

Which elements are present with zinc when it is extracted from zinc oxide ?

Which elements are present with zinc when it is extracted from zinc oxide ?

Extraction of zinc from zinc blende

Which will reduce zinc oxide to zinc?

Give appropriate scientific reason for the statement : Zinc oxide can be reduced to zinc by using carbon monoxide, but aluminium oxide cannot be reduced by a reducing agent.

Zinc oxide can be reduced only by ...

CENGAGE CHEMISTRY ENGLISH-APPENDIX INORGANIC VOLUME 2-Exercises
  1. What is the role of cryolite in the metallurgy of aluminium?

    Text Solution

    |

  2. What is the process of leaching in case of low grade copper ores ?

    Text Solution

    |

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

    Text Solution

    |

  4. The value ofDelta (f) G^(Ө) for formation of Cr(2) O(3) is – 540 kJmo...

    Text Solution

    |

  5. Out of C and CO, which is a better reducing agent for ZnO ?

    Text Solution

    |

  6. The choice of a reducing agent in a particular case depends on thermod...

    Text Solution

    |

  7. Name the processes from which chlorine is obtained as a by-product. Wh...

    Text Solution

    |

  8. What is the role of graphite rod in the electrometallurgy of aluminium...

    Text Solution

    |

  9. Outline the principles of refining of metals by the following methods:...

    Text Solution

    |

  10. Predict conditions under which Al might be expected to reduce MgO. (...

    Text Solution

    |

  11. Discuss the general characteristics of Group 15 elements with referenc...

    Text Solution

    |

  12. Why does the reactivity of nitrogen differ from phosphorus?

    Text Solution

    |

  13. Discuss the trends in chemical reactivity of group 15 elements.

    Text Solution

    |

  14. Why does NH(3) form hydrogen bond but PH(3) does not?

    Text Solution

    |

  15. How is nitrogen prepared in the laboratory? Write the chemical equatio...

    Text Solution

    |

  16. State three different chemical compounds other than acids manufactured...

    Text Solution

    |

  17. Pb + conc. HNO(3) gives

    Text Solution

    |

  18. Give the resonating structures of NO(2) and N(2)O(5).

    Text Solution

    |

  19. The HNH angle value is higher than HPH, HAsH and HSbH angles. Why? ...

    Text Solution

    |

  20. Why does R(3)P = O exist but R(3)N = O does not (R = alkyl group)?

    Text Solution

    |