Glycerol decomposes at its normal boiling point. Which of the following distillation techniques is m — Practical Organic Chemistry and Purification Chemistry Question
Question
Glycerol decomposes at its normal boiling point. Which of the following distillation techniques is most suited for separating glycerol from spent-lye in the soap industry?
Answer: C
💡 Solution & Explanation
Liquids that decompose at or below their normal boiling points can be purified by distillation under reduced pressure (vacuum distillation). This lowers the external pressure, allowing the liquid to boil at a lower temperature without decomposing.
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