Among I, II, III (Phenol,o-nitrophenol,and p- | vedclass

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(C) The boiling point of a compound depends upon the extent of intermolecular forces,specifically hydrogen bonding.$(I)$ Phenol has intermolecular hyd

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$I < II < III$

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(C) The boiling point of a compound depends upon the extent of intermolecular forces,specifically hydrogen bonding.$(I)$ Phenol has intermolecular hydrogen bonding but lacks the strong electron-withdrawing group present in the others.$(II)$ $o$-Nitrophenol exhibits intramolecular hydrogen bonding,which reduces the extent of intermolecular association,leading to a lower boiling point compared to the para isomer.$(III)$ $p$-Nitrophenol exhibits strong intermolecular hydrogen bonding,which leads to molecular association and results in the highest boiling point.Therefore,the correct order of boiling points is $I < II < III$.

Among $I, II, III$ (Phenol,o-nitrophenol,and p-nitrophenol respectively),the boiling point follows the order:

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