Carboxylic acids are characterized by their acidic nature, which arises from the presence of a carboxyl group (-COOH) in their molecular structure.

Carboxylic acids are weak acids, unlike mineral acids like HCl, which are completely ionized in solution.

Pure ethanoic acid often freezes during winter in cold climates due to its relatively high melting point of 290 K, which gave rise to its name “glacial acetic acid.”

A 5-8% solution of acetic acid in water is commonly known as vinegar and is widely used as a preservative in pickles.

Denatured alcohol is ethanol that has been rendered unfit for drinking by adding poisonous substances such as methanol. Additionally, dyes may be added to color the alcohol blue for easy identification.