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Does PH Have an Effect on the Cell Potential (E_cell)for $\to$

Question 95

Multiple Choice

Does pH have an effect on the cell potential (E_cell) for the following oxidation-reduction reaction? 5 Fe²⁺(aq) + MnO₄^-(aq) + 8 H⁺(aq) $\to$ 5 Fe³⁺(aq) + Mn²⁺(aq) + 4 H₂O( $Does pH have an effect on the cell potential (Ecell) for the following oxidation-reduction reaction? 5 Fe2+(aq) + MnO4-(aq) + 8 H+(aq) \to 5 Fe3+(aq) + Mn2+(aq) + 4 H2O( ) A) Yes,because Ecell values for all redox reactions depend on the pH. B) Yes,because Ecell values for redox reactions involving hydrogen ions depend on the pH. C) No,because Ecell values for redox reactions depend only on the major species in the reaction,in this case,Fe2+,MnO4-,Fe3+,and Mn2+. D) No,because Ecell values for redox reactions depend on concentrations and temperatures but not on pH. E) No,because Ecell values for redox reactions do not depend on the pH.$ )

A) Yes,because E_cell values for all redox reactions depend on the pH.
B) Yes,because E_cell values for redox reactions involving hydrogen ions depend on the pH.
C) No,because E_cell values for redox reactions depend only on the major species in the reaction,in this case,Fe²⁺,MnO₄^-,Fe³⁺,and Mn²⁺.
D) No,because E_cell values for redox reactions depend on concentrations and temperatures but not on pH.
E) No,because E_cell values for redox reactions do not depend on the pH.