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|Exercise Short Answer Type|179 Videos

  • APPENDIX INORGANIC VOLUME 2

    CENGAGE CHEMISTRY|Exercise Short Answer Type|179 Videos

  • AMINES

    CENGAGE CHEMISTRY|Exercise QUESTION BANK|1 Videos

  • AROMATIC COMPOUNDS AND ALKYL AND ARYL HALIDES

    CENGAGE CHEMISTRY|Exercise Archives Subjective|18 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?

Extraction of copper directly from sulphide ore is less favourable than from its oxide through reduction. Explain.

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

    Text Solution

    |

  2. How is leaching carried out 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 of triangle(f)G^(ɵ)(Cr2O3)=-540kJmol^-1 and triangle(f)G^(ɵ)...

    Text Solution

    |

  5. Out of C and CO, which is a better reducing agent at 673K?

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  8. Outline the principles of refining of metals by the following methods ...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  12. Why does NH3 form hydrogen bond but PH3 does not?

    Text Solution

    |

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

    Text Solution

    |

  14. How is ammonia manufactured industrially?

    Text Solution

    |

  15. Illustrate how copper metal can give different product on reaction wit...

    Text Solution

    |

  16. Give the resonating structures of NO2 and N2O5.

    Text Solution

    |

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

    Text Solution

    |

  18. Why does R3P=0 exist but R3N=0 does not (R= alkyl group)?

    Text Solution

    |

  19. Explain why NH(3) is basic while BiH(3) is only feebly basic ?

    Text Solution

    |

  20. Nitrogen exists as diatomic molecule and phosphorus as P4. Why?

    Text Solution

    |