Write down the Nernst equation of the couple Cr, Cr³⁺ in acid medium.
Understand the Problem
The question is asking for the Nernst equation specifically for the chromium couple (Cr, Cr³⁺) in an acidic medium. The Nernst equation is often used in electrochemistry to relate the reduction potential of a half-cell to its concentration. In this case, it involves chromium ions in acidic conditions.
Answer
E = E° - (0.0591/n) * log([Cr³⁺]/[Cr])
The final answer is: E = E° - (0.0591/n) * log([Cr³⁺]/[Cr])
Answer for screen readers
The final answer is: E = E° - (0.0591/n) * log([Cr³⁺]/[Cr])
More Information
The Nernst equation relates the electrochemical potential of a cell to the concentrations of the ionic species involved in the redox reactions. For the chromium couple in an acidic medium, it helps determine the cell potential under non-standard conditions.
Tips
Ensure to use the correct number of electrons (n) involved in the redox reaction when applying the Nernst equation.
Sources
- Nernst Equation - Chemistry LibreTexts - chem.libretexts.org
- Problem 30 Write the Nernst equation for th... [FREE SOLUTION] - Vaia - vaia.com
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