On exposing palm wine to air for some days, it becomes sour owing to the conversion of
Answer Details
Palm wine is a fermented beverage that is produced from the sap of certain palm trees. The fermentation process is mainly carried out by yeast, which converts glucose to ethanol. When palm wine is exposed to air, the ethanol undergoes oxidation, which results in the formation of ethanoic acid. This is what causes the sour taste of the palm wine. Therefore, the correct answer is "ethanol to ethanoic acid."