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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: - Which of the following aqueous acid is most acidic
- Which of the following is not linear
- Which one of the following is not used as a filler in laundry soaps
- The normality of solution containing 31.5g of hydrated oxalic acid (H₂C₂O₄.2H₂O)
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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
- Which of the following aqueous acid is most acidic
- Which of the following is not linear
- Which one of the following is not used as a filler in laundry soaps
- The normality of solution containing 31.5g of hydrated oxalic acid (H₂C₂O₄.2H₂O)
- At equilibrium, the value of change in Gibb’s free energy (ΔG) is
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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