Redox Reactions and Electrochemistry: JEE Main 2025 Chemistry question

JEE Main 2025 · 23 Jan, Morning shift · Q52

JEE Main 202523 Jan, Morning shiftChemistryMediumRedox Reactions and Electrochemistry138× since 2002

\mathrm{FeO_4^{2-}}\xrightarrow{+2.0\,V}\mathrm{Fe^{3+}}\xrightarrow{0.8\,V}\mathrm{Fe^{2+}}\xrightarrow{-0.5\,V}\mathrm{Fe^0}

In the above diagram, the standard electrode potentials are given in volts (over the arrow). The value of

E^\ominus_{\mathrm{FeO_4^{2-}/Fe^{2+}}}

JEE Main 2025 · 23 Jan, Morning shift · Q52

JEE Main 202523 Jan, Morning shiftChemistryMediumRedox Reactions and Electrochemistry138× since 2002

\mathrm{FeO_4^{2-}}\xrightarrow{+2.0\,V}\mathrm{Fe^{3+}}\xrightarrow{0.8\,V}\mathrm{Fe^{2+}}\xrightarrow{-0.5\,V}\mathrm{Fe^0}

In the above diagram, the standard electrode potentials are given in volts (over the arrow). The value of

E^\ominus_{\mathrm{FeO_4^{2-}/Fe^{2+}}}

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