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← ScienceWhich outcome accelerates corrosion when chloride concentration increases?
A)Pitting corrosion's anodic index increases ✓
B)Lower cathodic polarization is needed
C)Passivation layers are more stable
D)Oxidation reduction potentials equalize
💡 Explanation
Higher chloride concentrations increase pitting corrosion because chloride ions disrupt passive layers through ionic interactions, promoting localized anodic dissolution. Therefore, the anodic dissolved sites grow faster, rather than uniform corrosion occurring across the metal surface.
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