Which among the following compounds has the l | vedclass

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(B) To determine the lowest boiling point,we analyze the intermolecular forces present in each compound:$1$. $(C_2H_5)_2NH$ is a secondary amine,which

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$C_2H_5N(CH_3)_2$

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(B) To determine the lowest boiling point,we analyze the intermolecular forces present in each compound:$1$. $(C_2H_5)_2NH$ is a secondary amine,which can form intermolecular hydrogen bonds.$2$. $C_2H_5N(CH_3)_2$ is a tertiary amine. It lacks a hydrogen atom attached to the nitrogen atom,so it cannot form intermolecular hydrogen bonds. It only exhibits dipole-dipole interactions and London dispersion forces.$3$. $n-C_4H_9OH$ is a primary alcohol,which forms strong intermolecular hydrogen bonds.$4$. $C_2H_5COOH$ is a carboxylic acid,which forms very strong intermolecular hydrogen bonds (dimers).Since tertiary amines lack hydrogen bonding,they have significantly lower boiling points compared to alcohols,carboxylic acids,and primary/secondary amines of similar molecular weight. Therefore,$C_2H_5N(CH_3)_2$ has the lowest boiling point.

Which among the following compounds has the lowest boiling point?

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