Q.For the reaction $Fe^{2+} + 2e^- \rightarrow Fe$ , $E^\circ = -0.44 \text{ V}$ . For $Fe^{3+} + 3e^- \rightarrow Fe$ , $E^\circ = -0.036 \text{ V}$ . The $E^\circ$ for $Fe^{3+} + e^- \rightarrow Fe^{2+}$ is:

0.772 \text{ V}

0.404 \text{ V}

0.808 \text{ V}

1.212 \text{ V}

The correct solution involves applying the fundamental concept to derive the final value step by step...

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