CHEGG Consider the following reaction: LaTeX: Fe\left(CN\right)_6^{3-}+e^-\longri ghtarrow Fe\left(CN\right)_6^{4-}F e ( C N ) 6 3 − + e − ⟶ F e ( C N ) 6 4 − From the cyclic voltammetry data, a cathodic peak potential (Epa) of 0.271 V and an anodic peak potential (Epc) of 0.330 V was obtained. Is the reaction reversible?

E°= E°cathode- E° anode= 0.271-0.330= -0.59V

Explanation:

NB: the stoichiometry does not affect E°values,

And the more positive the E° values , the greater it's tendency to become spontaneous and hence irreversible, and the more negative the E° values the more likely to become less spontaneous and reversible, hence the above reaction is reversible

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