For the following cell with hydrogen electrodes at two different pressure p 1 and p 2 p _…

Chemistry · JEE Main · NTA Exams — Redox Reactions and Electrochemistry

For the following cell with hydrogen electrodes at two different pressure p1 and p2
\(\underset{\mathrm{p}_{1}}{\mathrm{Pt}} \underset{1 \mathrm{M}}{\left(\mathrm{H}_{2}\right)}\left|\mathrm{H}^{+}(\mathrm{aq})\right| \mathrm{Pt} \underset{\mathrm{p}_{2}}{\left(\mathrm{H}_{2}\right)}\)
emf is given by
  1. \(\frac{\mathrm{RT}}{\mathrm{~F}} \log _{\mathrm{e}} \frac{\mathrm{p}_{1}}{\mathrm{p}_{2}}\)
  2. \(\frac{\mathrm{RT}}{2 \mathrm{~F}} \log _{\mathrm{e}} \frac{\mathrm{p}_{1}}{\mathrm{p}_{2}}\)
  3. \(\frac{\mathrm{RT}}{\mathrm{~F}} \log _{\mathrm{c}} \frac{\mathrm{p}_{2}}{\mathrm{p}_{1}}\)
  4. \(\frac{\mathrm{RT}}{2 \mathrm{~F}} \log _{\mathrm{e}} \frac{\mathrm{p}_{2}}{\mathrm{p}_{1}}\)

Answer

(B) RT 2 ~F _ e p _ 1 p _ 2

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