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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
- What is the volume of ’20 volume H₂O₂. required to get 5000 cm³ of oxygen at STP?
- The pH value of the solution in which a particular amino acid dose not migrate
- Which of the following doesn’t give a ppt. with silver nitrate solution
- On doubling P and V with constant temperature the equilibrium constant will
- The functional isomer of ethanol 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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