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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: - Strong reducing behaviour of H₃PO₂ is due to
- Vapour pressure of dilute aqueous solution of glucose is 750 mm of mercury at
- The bond angle in water is
- Which of the following is wrongly matched
- Which of the following is a buffer solution?
Topics: Basic Principles of Organic Chemistry
(124)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Strong reducing behaviour of H₃PO₂ is due to
- Vapour pressure of dilute aqueous solution of glucose is 750 mm of mercury at
- The bond angle in water is
- Which of the following is wrongly matched
- Which of the following is a buffer solution?
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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