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The best method for the separation of naphthalene and benzoic acid from their mixture is
Options
(a) distillation
(b) sublimation
(c) chromatography
(d) crystallisation
Correct Answer:
sublimation
Explanation:
Sublimation method is used for those organic substances which pass directly from solid to vapour state on heating and vice-versa on cooling.e.g.benzoic acid, naphthalene,camphor,anthracene, etc.Naphthalene is volatile and benzoic acid is nonvolatile due to the formation of the dimer.
Related Questions: - Plaster of paris is used
- Which one of the following is the heaviest
- Kinetic theory of gases presumes that collision between the molecules to be perfectly
- Dimethyl terephthalate and ethylene glycol react to form
- When acetylene reacts with arsenic trichloride in the presence of anhydrous
Topics: Basic Principles of Organic Chemistry
(124)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Plaster of paris is used
- Which one of the following is the heaviest
- Kinetic theory of gases presumes that collision between the molecules to be perfectly
- Dimethyl terephthalate and ethylene glycol react to form
- When acetylene reacts with arsenic trichloride in the presence of anhydrous
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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