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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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Explore conceptually related problems

Alkali metals are generally prepared by

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

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

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

The metal extracted by electrolysis of its fused salt is

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

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

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.