MCQMediumJEE Main 2025 · 24 January, Shift 1Electrochemical Cells

Chemistry Question from JEE Main 2025 · 24 January, Shift 1

For the given cell: Fe2+(aq)+Ag+(aq)→Fe3+(aq)+Ag(s)Fe^{2+}(aq) + Ag^+(aq) \to Fe^{3+}(aq) + Ag(s) The standard cell potential of the above reaction is given. The standard reduction potentials are given as: Ag++e−→AgE∘=x VAg^+ + e^- \to Ag \quad E^\circ = x \, V Fe2++2e−→FeE∘=y VFe^{2+} + 2e^- \to Fe \quad E^\circ = y \, V Fe3++3e−→FeE∘=z VFe^{3+} + 3e^- \to Fe \quad E^\circ = z \, V The correct answer is:

  • A

    x+y−zx + y - z

  • B

    x+2y−3zx + 2y - 3z

  • C

    y−2xy - 2x

  • D

    x+2yx + 2y

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