Sublimation
Which substance can be effectively purified by sublimation under ordinary laboratory conditions?
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More purification and characterisation of organic compounds Practice Questions
A mixture contains camphor along with a non-volatile sand impurity, and the chemist needs to recover...
A mixture contains camphor along with a non-volatile sand impurity, and the chemist needs to recover...
Which mixture can be separated by sublimation?
Which mixture can be separated by sublimation?
Sublimation can be used to purify:
Sublimation can be used to purify:
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About This Question
- Subject
- chemistry
- Chapter
- purification and characterisation of organic compounds
- Topic
- sublimation
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
Benzoic acid
Sublimation is used for solids that directly convert from solid to vapour on heating and condense back on cooling. Benzoic acid is a common sublimable organic solid. Sodium chloride and glucose do not sublime under normal lab conditions, while glycerol is a liquid.
This easy difficulty chemistry question is from the chapter purification and characterisation of organic compounds, covering the topic of sublimation. It appeared in the 2025 exam.
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