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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: - If principal quantum number n=4, the total number of orbitals having l=3 is
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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
- If principal quantum number n=4, the total number of orbitals having l=3 is
- Which of the following carbonyls will have the strongest C – O bond
- If 0.189g of chlorine containing organic compound gave 0.287g of silver chloride
- 1.520 g of hydroxide of a metal on ignition gave 0.995 g of oxide
- Solution of sodium metals in liquid ammonia strongly reduces due to the presence
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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