Chapter 17, Problem 54E

Interpretation Introduction

Interpretation:

The value of $\Delta G{°}_{\text{f}}$ for ${\text{Fe}}^{2+}\left(aq\right)$ and ${\text{Fe}}^{3+}\left(aq\right)$ using their standard reduction values is to calculated.

Concept introduction:

The species with higher reduction potential undergoes reduction at the cathode while the species with lower reduction potential undergoes oxidation at the anode. The change in Gibbs free energy is the useful amount work that can be done and negative value of $\Delta G°$ shows that the reaction is spontaneous in nature.

To determine: The value of $\Delta G{°}_{\text{f}}$ for ${\text{Fe}}^{2+}\left(aq\right)$ and ${\text{Fe}}^{3+}\left(aq\right)$ using their standard reduction values.