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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 elements with atomic number 9,17,35,53,85 are called
- Cassiterite is concentrated by
- Haemoglobin is a complex of
- If Avogadro number NA, is charged from 6.022 ˣ 10²³ mol⁻¹ to 6.022 ˣ 10²⁰ mol⁻¹
- In Lassaigne’s test red colour precipitate is obtained which is due to formation
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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