NEET UG CHEMISTRY MCQ: ELECTRO CHEMISTRY

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Analyzing +4 | -1

For which cell e.m.f. is independent of the concentrations of electrolytes used?

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Correct option: A

Fe|FeO(s)|KOH(aq)|NiO(s)|N{i_2}{O_3}(s)|Ni

Option A (

Fe|FeO(s)|KOH(aq)|NiO(s)|N{i_2}{O_3}(s)|Ni

) is correct because the cell reaction involves only solids and KOH(aq), so the EMF is independent of the concentration of KOH.

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