Whether ethyl acetate is a polar aprotic solvent
is related to the process of many reactions, and whether ethyl acetate is polar or not and whether it is an aprotic solvent is one of the keys to chemical research.

The structure of ethyl acetate has carbonyl and ethoxy. In the carbonyl group, the carbon-oxygen double bond is stronger than carbon due to the electronegativity of oxygen, causing the electron cloud to bias towards the oxygen atom, making the region negatively charged; in the ethoxy group, the oxygen atom also has relatively strong electronegativity, making the electron distribution uneven. Therefore, the charge distribution in the ethyl acetate molecule is not uniform and symmetrical, so it has polarity.

As for whether it is an aprotic solvent, a proton solvent is a solvent containing dissociable hydrogen atoms in the molecule. In the molecule of ethyl acetate, there is no such hydrogen atom that can be easily dissociated to participate in the reaction. It is both polar and has no easily dissociated hydrogen, so it is a polar aprotic solvent.

In summary, ethyl acetate is indeed a polar aprotic solvent, which has far-reaching effects on many chemical processes such as organic synthesis, extraction and separation. Only by understanding this can it be used well and benefit from chemistry.