Navigate

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

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.

AIPMT2005
admin:

Related Questions

  1. In which one of the following is not a buffer solution
  2. The oxidation number of nitrogen in (N₂H₅)⁺ is
  3. Repeated use of which one of the following fertilizers would increase the
  4. Among the following compounds the one that is most reactive towards electrophilic
  5. When 25g of Na₂SO₄ is dissolved in 10³ kg of solution,its concentration will be