A) reduction of \[MgO\]by coke.
B) electrolysis of aqueous solution of \[Mg{{(N{{O}_{3}})}_{2}}.\]
C) displacement of \[Mg\]by iron from \[MgS{{O}_{4}}\] solution.
D) electrolysis of molten \[MgC{{l}_{2}}\]
Correct Answer: D
Solution :
[d] \[\underset{(Molten)}{\mathop{MgC{{l}_{2}}}}\,\xrightarrow{Electrolysis}\underset{Cation}{\mathop{M{{g}^{+2}}}}\,+\underset{Anion}{\mathop{2C{{l}^{-}}}}\,\] Anode \[\to 2C{{l}^{-}}\to 2Cl+2{{e}^{-}},Cl+Cl\to C{{l}_{2}}\] Cathode \[\to M{{g}^{+2}}+2{{e}^{-}}\to Mg\]You need to login to perform this action.
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