In a cell, the following reaction takes place: Fe+CuSO4→FeSO4+Cu. The cell can be represented as:
Cu|CuSO4||Fe|FeSO4
Pt|CuSO4||FeSO4|Pt
Fe|FeSO4||CuSO4|Cu
CuSO4|Cu||FeSO4|Fe
A
Pt|CuSO4||FeSO4|Pt
B
Fe|FeSO4||CuSO4|Cu
C
Cu|CuSO4||Fe|FeSO4
D
CuSO4|Cu||FeSO4|Fe
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Solution
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Fe gets oxidised to Fe2+ and CuSO4 gets reduced to Cu.
∴Fe acts as anode and Cu acts as cathode.
∴ The correct cell representation is : Fe|FeSO4||CuSO4|Cu.
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