Naphthalene can sublime directly to vapour upon heating, but benzoic acid do not. Related Theory When benzoic acid is heated in presence of a strong dehydrating agent like P2O5 or H2SOf it forms benzoic anhydride. 2C6H5COOHBaOl5⟶(C6H5CO)2O+H2O Caution Naphthalene is volatile and benzoic acid is non-volatile due to the formation of dimer via hydrogen bonding (intermolecular).
The best method for the separation of naphthalene and benzoic acid from their mixture is::
NEET UG 2005 — Chemistry Organic Chemistry
2005mcqeasy
The best method for the separation of naphthalene and benzoic acid from their mixture is::
Official previous-year question
Held on 30 Apr 2005 · Verified 9 Jul 2026.
Options
- A
distillation
- B
sublimation
- C
chromatography
- D
crystallisation
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