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JIPMER 2007
Exam
JIPMER
Year
2007
Subject
Chemistry
Chapter
General Organic Chemistry

JIPMER 2007 · Chemistry · General Organic Chemistry

The best method for the separation of naphthalene and benzoic acid...

The best method for the separation of naphthalene and benzoic acid from their mixture is

Options

  1. Achromatography
  2. Bcrystallisation
  3. Cdistillation
  4. Dsublimation

Correct answer

D. sublimation

Step-by-step solution

The best method for the separation of naphthalene and benzoic acid from their mixture is sublimation because it is applicable for those organic compounds which pass directly from solid to vapour state on heating and vice-versa on cooling. In these compounds naphthalene is volatile and benzoic acid is non-volatile due to the formation of dimer Via hydrogen bonding (intermolecular).
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