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Metallic magnesium is prepared by...

Metallic magnesium is prepared by

A

Reduction of MgO by coke

B

Electrolysis of aqueous solution of `Mg(NO_3)_2`

C

Displacement of Mg by iron from `MgSO_4` solution

D

Electrolysis of molten `MgCl_2`

Text Solution

Verified by Experts

The correct Answer is:
D
Electrolysis of molten `underset("At cathode")MgCl_2`
`MgCl_2iffMg^(2+)+2Cl`
`Mg^(2+)+2e^(-)toMg`
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