1.

For which cell emfis independent of the concentration of electrolytes used :

Answer»

`FE[FEO(s)]KOH(aq)[NiO(s)[Ni_2O_3(s)]Ni`
`Pt(H_2)[HCI](Cl_2)`
`Zn[Zn(NO_3)_2][CuSO_4]Cu`
`Hg,HgCl_2[KCI][AgNO_2]Ag`

ANSWER :A


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