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What is the standard electrode potential of Fe^+2/Fe?

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in Corrosion Engineering by (98.5k points)
What is the standard electrode potential of Fe^+2/Fe?

(a) 0.0 V

(b) +0.36

(c) -0.44

(d) -0.76

The question was posed to me in examination.

My question is based upon Eight Forms topic in chapter Eight Forms of Corrosion of Corrosion Engineering

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The correct answer is (c) -0.44

To explain: Standard reduction potential of hydrogen ion, copper, iron, and zinc Is 0.0V, +0.36V, -0.44V and -0.76V respectively. These are measured against the standard hydrogen electrode (SHE) which arbitrarily defined as zero.

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