Which electrochemical behavior results when stainless steel is submerged in concentrated sodium chloride solution at high temperature?

💡 Explanation

When stainless steel is exposed to high chloride concentrations at elevated temperatures, chloride ions disrupt the passive layer through selective adsorption and penetration, leading to pitting corrosion due to autocatalytic oxidation. Therefore, pitting is initiated, rather than full passivation, uniform corrosion, or weld-related galvanic action that require different electrochemical conditions.

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