Chemistry · Purification: Crystallization, sublimation, distillation, differential extraction and chromatography principles and their applications
Which of the following compounds can be purified by vacuum distillaiton? This qu
Which of the following compounds can be purified by vacuum distillaiton? This question has multiple correct options
- A. Glycerine
- B. Glycerol
- C. Propane-1,2, 3-triol
- D. Ethanol
Step-by-step solution
Glycerol (propane-1,2,3-triol) has a high boiling point (290°C) and decomposes at its normal boiling point, so vacuum distillation is used to lower the boiling point and prevent decomposition. Ethanol, with a boiling point of 78°C, does not require vacuum distillation and can be purified by simple distillation.
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