A) higher than that of
B) lower than that of
C) higher or lower than, depending on the size of the vessel
D) same as that of
Correct Answer: A
Solution :
In para-nitro phenol intermolecular (between two molecules) H-bonding exists while in ortho- nitro phenol, intramolecular H-bonding exists. Because of the presence of intramolecular H-bonding, the boiling point of is lower as compared to and thus, is more volatile, ie, has higher vapour pressure as compared to .
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