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Glycerol boils at 290oC with slight decomposition. Impure glycerine can be purified by[CPMT 1983, 94]
Glycerol boils at 290oC with slight decomposition. Impure glycerine can be purified by[CPMT 1983, 94]
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Solution
The correct option is C Vacuum distillation
The liquids which decompose at its boiling point can be purified by vacuum distillation. Glycerol which decomposes at its boiling point (-563K) can be distilled without decomposition at 453K under 12mm Hg pressure.
Vacuum distillation
The liquids which decompose at its boiling point can be purified by vacuum distillation. Glycerol which decomposes at its boiling point (-563K) can be distilled without decomposition at 453K under 12mm Hg pressure.
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