On the polarity of ethyl acetate and methanol
The polarity of matter is related to its molecular structure, charge distribution, and all things in chemistry, such as dissolution and reaction. The polarity of ethyl acetate and methanol is analyzed to clarify the differences.

Methanol, its structural formula is\ (CH_3OH\). Between hydrogen and oxygen, the electronegativity of oxygen is strong, causing the electron cloud to be biased towards oxygen, so hydrogen is positively charged and oxygen is negatively charged. This polar covalent bond is the base of methanol polarity. And the methanol molecule is asymmetric. One end of the hydroxyl group is negatively charged, and the other end of the methyl group is relatively positively charged, forming a dipole moment, so that methanol is polar.

As for ethyl acetate, the structure is\ (CH_3COOCH_2CH_3\). Although it contains polar groups, such as carbonyl (\ (C = O\)) and ester group (\ (-COO-\)), the overall molecular symmetry is higher than that of methanol. The polarity of carbonyl and ester groups interacts and partially cancels, resulting in its dipole moment being smaller than that of methanol.

In summary, the polarity of methanol is stronger than that of ethyl acetate. The polarity of hydroxyl groups in methanol plays a significant role, the molecule is asymmetric, and the dipole moment is large; while ethyl acetate has polar groups, the molecular structure is relatively symmetrical, and the interaction of polar groups reduces the overall polarity. Therefore, it can be seen that the polarity of the two is different, and each shows its own characteristics and plays different roles in various chemical processes.