_____________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation?
Correct answer: A. Magnesium
- A. Magnesium
- B. Potassium
- C. Calcium
- D. Sodium
Explanation
Magnesium chloride hydrolyses during crude-oil distillation to form hydrochloric acid, making it a major source of corrosive HCl. Sodium and potassium chlorides are much more thermally stable under these conditions.
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