Identify the correct order of boiling points | vedclass

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(B) The boiling point depends on the intermolecular forces present in the compounds.$CH_3CH_2CH_2COOH$ $(3)$ contains a carboxylic acid group,which fo

Vedclass · Accepted Answer

$3 > 1 > 2$

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(B) The boiling point depends on the intermolecular forces present in the compounds.$CH_3CH_2CH_2COOH$ $(3)$ contains a carboxylic acid group,which forms strong intermolecular hydrogen bonds,often existing as dimers,leading to the highest boiling point.$CH_3CH_2CH_2CH_2OH$ $(1)$ contains a hydroxyl group,which also forms intermolecular hydrogen bonds,but they are generally weaker than those in carboxylic acids.$CH_3CH_2CH_2CHO$ $(2)$ contains an aldehyde group,which is polar but cannot form intermolecular hydrogen bonds,resulting in the lowest boiling point among the three.Therefore,the correct order of boiling points is $3 > 1 > 2$.

Identify the correct order of boiling points of the following compounds: $CH_3CH_2CH_2CH_2OH$ $(1)$,$CH_3CH_2CH_2CHO$ $(2)$,$CH_3CH_2CH_2COOH$ $(3)$.

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