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Electrochemistry question

2025 · 23 Jan · Shift 1 · Q5

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JEE Main
Chemistry
Electrochemistry
2025 · 23 Jan · Shift 1 · Q5

Electrochemistry question

2025 · 23 Jan · Shift 1 · Q5

JEE MainChemistryElectrochemistryMCQ+4 / −1

\mathrm{FeO}_4^{2-} \xrightarrow{+2.0 \mathrm{~V}} \mathrm{Fe}^{3+} \xrightarrow{0.8 \mathrm{~V}} \mathrm{Fe}^{2+} \xrightarrow{-0.5 \mathrm{~V}} \mathrm{Fe}^0

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

\mathrm{E}_{\mathrm{FeO}_4^{2-} / \mathrm{Fe}^{2+}}

is :

A
1.2 V
B
2.1 V
C
1.4 V
D
1.7 V

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