CSWIP Cathodic Protection Personnel Practice Questions - CSWIP Cathodic Protection Personnel (BS EN ISO 15257) Exam

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In an aqueous electrochemical corrosion cell involving carbon steel in neutral aerated soil, what is the primary anodic oxidation reaction?

Fe -> Fe2+ + 2e- O2 + 2H2O + 4e- -> 4OH- 2H+ + 2e- -> H2 Fe2+ + 2OH- -> Fe(OH)2

Correct Answer:

Fe -> Fe2+ + 2e-

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