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Suggest a list of metals that are extrac...

Suggest a list of metals that are extracted electrolytically.

A

Na, K, Mg, Ca

B

Na, K, Mg, Cr

C

Na, K, Mg, Fe

D

Na, K, Mg, Co

Text Solution

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The correct Answer is:
A
Those metals which are highly reactive and have large negative Eº values can be extracted electrolytically. This type of metals are powerful reducing agents. e.g., sodium, potassium, calcium, magnesium etc.
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Knowledge Check

  • The two metals which are extracted by means of electrolytic reduction of their molten salts are:

    A
    magnesium and manganese
    B
    iron and aluminium
    C
    zinc and magnesium
    D
    magnesium and aluminium

  • Alkali metals are generally extracted by

    A
    Reduction methods
    B
    Doutble decomposition methods
    C
    Displacement methods
    D
    Electrolytic methods

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