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NEET2007ChemistryGeneral Organic ChemistryActual

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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