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Alkali metals are generally extracted by...

Alkali metals are generally extracted by electrolysis of their ores.

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T
Alkali metals are highly reactive towards water.
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What type of metals are generally extracted by electrolytic method?

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

Knowledge Check

  • Alkali metals are generally prepared by

    A
    reduction of metal oxides with carbon
    B
    electrolysis of their anhydrous molten halides
    C
    reduction of halides with hydrogen
    D
    reduction of corresponding oxide with powdered aluminium.

  • Which of the following metals are extracted by the electrolysis of their molten chlorides?

    A
    `Na and Hg`
    B
    `Hg and Mg`
    C
    `Na and Mg`
    D
    `Cu and Fe`

  • A: Highly electropositive metals are extracted by electrolysis of their fused salts. R: Highly electropositive metals cannot be reduced by chemical reduction methods.

    A
    If both (A) and ( R) are correct and ( R) is the correct explanation of (A).
    B
    If both (A) and ( R) are correct, but ( R) is not the correct explanation of (A).
    C
    If (A) is correct, but ( R) is incorrect.
    D
    If (A) is incorrect, but ( R) is correct.

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

    Alkali metals are obtained by the electrolysis of the molten salts and not by the electrolysis of their aqueous solutions. Give reason.

    The metal extracted by electrolysis of its fused salt is

    The metal extracted by electrolysis of its fused salt is:-

    The metal extracted by the electrolysis method is :

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