A) Down?s cell
B) Castner cell
C) Solvay process
D) Castner Kellner cell
Correct Answer: D
Solution :
The cell involves the following reaction, \[NaCl\]⇌\[N{{a}^{+}}+C{{l}^{-}}\] At anode : \[2C{{l}^{-}}\to 2Cl+2e\to C{{l}_{2}}\] At cathode : \[N{{a}^{+}}+e\to Na\] \[Na+Hg\to \]amalgam At anode : \[Na-\]amalgam\[\to N{{a}^{+}}+Hg+e\] At cathode : \[2{{H}_{2}}O+2e\to {{H}_{2}}\uparrow +2O{{H}^{-}}\]
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