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In reference to Electrolysis, the chloride anomaly is the tendency for chloride ions to react with the water molecules in an electrolytic cell which defies the common trend of oxidation and reducing agents to react with the most similar electrode potential.

Specific Example:

NaCl and Water with graphite electrodes.

Predicted Reactions:

H2O + e- => 1/2H2 + OH-

1/2O2 + 2H+ + 2e- => H20

Chloride anomaly means this happens instead:

H2O + e- => 1/2H2 + OH-

Cl- => 1/2 Cl2 + e-

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12y ago

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