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Alcohols, Phenols, and Ethers — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryAlcohols, Phenols, and Ethers1 Mark
Question
o-Nitrophenol has lower boiling point than p-nitrophenol. Explain.
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Answer

Due to intramolecular H-bonding o-nitrophenol exists as a discrete molecule whereas due to intermolecular H-bonding p-nitrophenol exists as associated molecules. As a result of this p-nitrophenol has higher boiling point than o-nitrophenol.

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