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Metallic magnesium is prepared by...

Metallic magnesium is prepared by

A

electrolysis of molten `MgCl_(2)`

B

displacement of Mg by iron from `MgSO_(4)` solution

C

electrolysis of aqueous solution of `Mg(NO_(3))_(2)`

D

reduction of MgO by coke

Text Solution

Verified by Experts

The correct Answer is:
c
electrolysis of molten `MgCl_(2)`
At anode `MgCl_(2)hArrMg^(2+)+2Cl^(-)`
At cathode `Mg^(2+)+2e^(-)rarrMg`
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