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Question: Answered & Verified by Expert
The vapour pressure of


is higher than


due to
ChemistryChemical Bonding and Molecular StructureBITSATBITSAT 2012
Options:
  • A Dipole moment
  • B Dipole- dipole interaction
  • C $\mathrm{H}$ - bonding
  • D Lattice structure
Solution:
2642 Upvotes Verified Answer
The correct answer is: $\mathrm{H}$ - bonding
Ortho-nitrophenol has intramolecular
H bonding


and paranitrophenol has intermolecular H-bonding.


Hence former is more volatile than latter.

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