In a cell, the following reactions take place F e²⁺ → F e³⁺ + e^ - E_ F e³⁺ /F e²⁺ ^(o) = 0.77 V 2I^ - → I₂ + 2e^ - E I₂/I^ - ^(o) = 0.54 V The standard electrode potential for the spontaneous reaction in the cell is x × 10⁻² V 298 K. The value of x is _ _ _ _ _ _. (Nearest Integer)

Redox Reactions and Electrochemistry: JEE Main 2022 Chemistry question

JEE Main 2022 · 25 Jun, Morning shift · Q11

JEE Main 202225 Jun, Morning shiftChemistryHardRedox Reactions and Electrochemistry138× since 2002

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

\times

10^

-

2 V 298 K. The value of x is ____________. (Nearest Integer)

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2022 Redox Reactions and Electrochemistry Question with Answer (25 Jun Morning shift, Q11) | JEE Arc