Chemistry · Electrochemistry

The standard reduction potentials (E0) for the Fe3+/Fe and Fe3+/Fe2+ couples are -0.04 V and +0.76 V, respectively. The value of E0(Fe2+/Fe), in V, is:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1+0.36 V
2-0.44 V✓
3+0.72 V
4-0.80 V

Correct answer

-0.44 V

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The standard reduction potentials (E0) for the Fe3+/Fe and Fe3+/Fe2+ couples are -0.04 V and +0.76 V, respectively. The value of E0(Fe2+/Fe), in V, is:

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The standard reduction potentials (E0) for the Fe3+/Fe and Fe3+/Fe2+ couples are -0.04 V and +0.76 V, respectively. The value of E0(Fe2+/Fe), in V, is:

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