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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.
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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
- K₃Fe(CN)₆ + e⁻ → K₄Fe(CN)₆ is known as
- If N and S both are present in an organic compound then during Lassaigne’s test,
- For the reaction one of the mole of zinc dust with one mole of sulphuric acid
- When 10 g of a non-volatile solute is dissolved in 100 g of benzene ,
- During the electrolysis of fused sodium chloride the anodic reaction 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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