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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
- The oxyacid of phosphorus, in which phosphorus has the lowest oxidation state, is
- The oxidation number of oxygen in O₂PtF₆ is
- At 25⁰ C , the highest osmotic pressure is exhibited by 0.1 M solution of
- The volume of 2.8g of carbon monoxide at 27⁰C and 0.821 atm pressure is
- Chlorination of toluene in the presence of light and heat followed by treatment
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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