Electrochemistry · JEE Main previous year questions

2009 1 question

1. Q742009 · 27 Apr 2009 · Shift 1

   Given : $E_{F{e}^{3+}/Fe}^o=-0.036\mathrm{V}$; $E_{F{e}^{2+}/Fe}^o=-0.439\mathrm{V}$ The value of standard electrode potential for the change, $\mathrm{F}{\mathrm{e}}^{3+}(\mathrm{aq})+{\mathrm{e}}^{-}\to \mathrm{F}{\mathrm{e}}^{2+}(\mathrm{aq})$ will be

   1. A.$-0.072\mathrm{V}$
   2. B.$0.385\mathrm{V}$
   3. C.$0.770\mathrm{V}$
   4. D.$-0.270\mathrm{V}$
   Show answer

   Answer: C