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Which metals are generally extracted by ...

Which metals are generally extracted by the electrolytic processes ? What positions these metals generally occupy in the periodic table?

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Electrolytic process is used for the extraction of active metals like `Na,Ca,Mg,Al` etc. The cases in which all other methods do not apply. Except Al and few other metals, these metals belong to s-block elements.
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Knowledge Check

  • Which of the following metals are extracted by electrolytic reduction?

    A
    Fe
    B
    Cu
    C
    Ag
    D
    Al

  • Metals belonging to the same group in the periodic table are

    A
    Same number of energy levels
    B
    Same number of valence electrons
    C
    Same number of electrons
    D
    Same ionisation enthalphy.

  • Which of the following metals is not extracted by leaching ?

    A
    Aluminium
    B
    Mercury
    C
    Silver
    D
    Gold
    • CENGAGE CHEMISTRY ENGLISH-APPENDIX INORGANIC VOLUME 2-Short Answer Type
    1. Which metals are generally extracted by the electrolytic processes ? W...

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    2. What type of ores are roasted?

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    3. Give the names of the four most abundant elements in the earth's crust...

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    4. What is a mineral? How does it differ from an ore?

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    5. Why do some metals occur in the native state?

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    6. Name the method used for refining of : (a). Zirconium. (b). Nickel...

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    7. Can iron be purified by amalgamation?

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    8. Both iron and aluminium combine slowly with oxygen at room temperature...

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    9. What is the name given to solid phase of earth?

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    10. Give one example where hydrometallurgy is used for metal extraction?

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    11. Name the method of metal refining which is generally used when a metal...

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    12. When is electrolytic reduction applied for getting a metal?

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    13. What name is given to carbon reduction process for extracting the meta...

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    14. An ore has impurities which are attracted by magnet suggest process fo...

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    15. In moist air, copper corrodes to produce a green layer on the surface....

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

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    17. What do you understand by roasting in presence of NaCl?

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    18. Why NF3 cannot be hydrolysed, while NCl3 can be readily hydrolysed?

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    19. Why NI5 does not exist While PCl5 exists?

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    20. Why the boiling point of ammonia is greater than phosphine?

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