A) \[Zn|Z{{n}^{2+}}||C{{u}^{2+}}|Cu\]
B) \[Cu|C{{u}^{2+}}||Z{{n}^{2+}}|Zn\]
C) \[Cu|Z{{n}^{2+}}||Zn|C{{u}^{2+}}\]
D) \[C{{u}^{2+}}|Zn||Z{{n}^{2+}}|Cu\]
Correct Answer: A
Solution :
Key Idea: Cell representation is done as follows Anode|Anodicelectrolyte|| cathodic electrolyte | cathode (i) Oxidation is loss of electron and it takes place at anode. Reduction is gain of electron and it takes place at cathode. \[\therefore \] For cell reaction \[Zn+C{{u}^{2+}}\xrightarrow{{}}Z{{n}^{2+}}+Cu\] Zn is anode and Cu is cathode. \[\therefore \] cell representation is \[Zn|Z{{n}^{2+}}||C{{u}^{2+}}|Cu\]
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