A) Roasting of lime stone
B) Reduction of \[CaC{{l}_{2}}\] with carbon
C) Electrolysis of a solution of \[CaC{{l}_{2}}\] in water
D) Electrolysis of molten \[CaC{{l}_{2}}\]
Correct Answer: D
Solution :
\[CaC{{l}_{2}}\to \underset{\text{Cathode}}{\mathop{C{{a}^{+2}}}}\,+\underset{\text{Anode}}{\mathop{2C{{l}^{-}}}}\,\] Cathode : \[C{{a}^{+2}}+2{{e}^{-}}\to Ca\] Anode : \[2C{{l}^{-}}\to 2{{e}^{-}}+C{{l}_{2}}\]
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