Which of the following explanations accounts for o-nitrophenol to be more volatile then p-nitrophenol?
A
Intermolecular hydrogen bonding
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B
Resonance
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C
Intramolecular hydrogen bonding
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D
Inductive effect
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Solution
The correct option is D Intramolecular hydrogen bonding Ortho nitrophenol is more volatile than para nitrophenol because O-Nitrophenol has intramolecular hydrogen bonding whereas para nitrophenol has inter molecular H bonding and so boils relatively at higher temperature. So correct answer is oprion C.