1.

Consider the following compounds Among the compounds A and B, the vapour pressure of B at a particular temperature isA. higher than that of AB. lower than that of AC. same as that of AD. None of the above

Answer» Correct Answer - A
In o-nitrophenol, Intramolecular H-bonding is present between `-OH` and `-NO_(2)` groups, whereas p-nitrophenol forms intermolecular H-bonding. Thus, vapour pressure of B is higher than that of A.


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