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Question: Answered & Verified by Expert
Out of o-nitrophenol and p-nitrophenol, which is more volatile and why?
ChemistryAlcohols Phenols and EthersNEET
Options:
  • A o-Nitrophenol is more volatile because it forms intramolecular H bond whereas molecules of p-Nitrophenol get associated through intermolecular H bond
  • B p-Nitrophenol is more volatile because the nitro group is closer to the phenolic -OH group, enhancing hydrogen bonding.
  • C o-Nitrophenol is more volatile because it has a lower molecular weight than p-nitrophenol.
  • D p-Nitrophenol is more volatile because it has a lower molecular weight than o-nitrophenol.
Solution:
2721 Upvotes Verified Answer
The correct answer is: o-Nitrophenol is more volatile because it forms intramolecular H bond whereas molecules of p-Nitrophenol get associated through intermolecular H bond
Correct Option is : (A)
o-Nitrophenol is more volatile because it forms intramolecular H bond whereas molecules of p-Nitrophenol get associated through intermolecular H bond

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