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Esters are compounds having the general structure formula shown above. They have moderate dipole moments, resulting in intermolecular attractive forces. For this reason, they have higher boiling points than the corresponding hydrocarbons of comparable weights. But compared to alcohols, esters have lower boiling points, since they cannot form hydrogen bonds among themselves (Reason: No hydroxyl group). Esters can have hydrogen bonds with other hydroxyl containing compounds such as water and carboxylic acids.
Synthesis of Esters:
Esters can be synthesized by reacting carboxylic acids with alcohols, in the presence of acid catalysts.

Sample reaction


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