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(B) The boiling point of a compound depends on the strength of intermolecular forces. $1$. $CH_3COCH_3$ (Propanone) and $CH_3CH_2CHO$ (Propanal) exhib

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Ethanoic acid

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(B) The boiling point of a compound depends on the strength of intermolecular forces. $1$. $CH_3COCH_3$ (Propanone) and $CH_3CH_2CHO$ (Propanal) exhibit dipole-dipole interactions. $2$. $CH_3CH_2CH_2OH$ (Propan-$1$-ol) exhibits hydrogen bonding. $3$. $CH_3COOH$ (Ethanoic acid) exhibits strong intermolecular hydrogen bonding,forming stable dimers in the liquid phase. Due to the presence of strong hydrogen-bonded dimers,$CH_3COOH$ has the highest boiling point $(118 \ ^\circ C)$ compared to propan-$1$-ol $(97 \ ^\circ C)$,propanone $(56 \ ^\circ C)$,and propanal $(49 \ ^\circ C)$.

Which among the following has the highest boiling point?

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