In which compound is h bond present it exists as a single molecule having lower boiling point A. o- nitrophenol B. Phenol C. Aniline D. NOTA

In which compound is h bond present it exists as a single molecule hav

1.	In which compound is h bond present it exists as a single molecule having lower boiling point A. o- nitrophenol B. Phenol C. Aniline D. NOTA
Answer» A) o-nitrophenolExplanation:The INTRAMOLECULAR hydrogen bond is the bond of hydrogen with an atom with another atom of the same MOLECULE. Here ortho nitrophenol is more volatile than para and meta nitrophenol. So, o - Nitrophenol FORMS intra hydrogen bond while para and meta form intermolecular hydrogen bond. Hence, OPTION B is correct.solution