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For which cell emf is independent of th...

For which cell emf is independent of the concentration of electrolytes used :

A

`Fe[FeO(s)]KOH(aq)[NiO(s)[Ni_2O_3(s)]Ni`

B

`Pt(H_2)[HCI](Cl_2)`

C

`Zn[Zn(NO_3)_2][CuSO_4]Cu`

D

`Hg,HgCl_2[KCI][AgNO_2]Ag`

Text Solution

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The correct Answer is:
A
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