background theory on boiling points and factors of molecular structure which affect boiling points

 order the boiling points in decreasing order (highest to lowest) of your compounds.Using background theory on boiling points and the factors of molecular structure which affect boiling points, justify the order of boiling points for your set of molecules : butanoic acid, pentanoic acid, pentanal, 2-methylpropanoic acid.

 

All to do with size of the molecules, strength of intermolecular attractions, and branched/straight chain nature of the substances.

Have a read of http://www.masterorganicchemistry.com/2010/10/25/3-trends-that-affect-bo...

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