JEE Main 2022 — Electrochemistry Question with Solution
From: JEE Main 2022 (Online) 25th June Morning Shift
Question
In a cell, the following reactions take place
\matrix{ {F{e^{2 + }} \to F{e^{3 + }} + {e^ - }} & {E_{F{e^{3 + }}/F{e^{2 + }}}^o = 0.77\,V} \cr {2{I^ - } \to {I_2} + 2{e^ - }} & {E_{{I_2}/{I^ - }}^o = 0.54\,V} \cr }
The standard electrode potential for the spontaneous reaction in the cell is x 102 V 298 K. The value of x is ____________. (Nearest Integer)
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Show full solutionCorrect answer: 23
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This is a previous-year question from JEE Main 2022, covering the Electrochemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.