MHT CET Chemistry question

Ortho-nitrophenol is steam volatile whereas para-nitrophenol is not. This is due to [CBSE PMT 1989]

(A)Intramolecular hydrogen bonding present in ortho-nitrophenolCorrect
(B)Intermolecular hydrogen bonding present in meta and para-nitrophenol
(C)Intramolecular hydrogen bonding present in para-nitrophenol
(D)Intramolecular hydrogen bonding present in meta-nitrophenol

Answer: (A)

Solution

In o-nitrophenol the neighbouring and groups form an intramolecular hydrogen bond, so the molecules do not associate and the compound is steam volatile; in p-nitrophenol the groups are too far apart

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Question ID VK-079694