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Glycerine is purified by
Options
(a) vacuum distillation
(b) simple distillation
(c) steam distillation
(d) sublimation
Correct Answer:
vacuum distillation
Explanation:
The compounds which decompose at a temperature below their normal boiling points cannot be purified by distillation under ordinary atmospheric pressure. For such compounds, distillation is carried out under reduced pressure and the process is known as vacuum distillation. Glycerine is one such compound which is purified by this method.
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Topics: Basic Principles of Organic Chemistry
(124)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The -OH group of an alcohol or the -COOH group of a carboxylic acid can be
- If diazotisation of aniline is carried out at 30⁰ C,the main organic product
- Wood charcoal is used to decolourise sugar because it
- The metal used to recover copper from a solution of copper sulphate is
- Arrange the following in increasing order of acidity H₃PO₄ , H₂CO₃ , HCl , HI
Topics: Basic Principles of Organic Chemistry (124)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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