Question

When you leave wine exposed to the air, the ethanol in it reacts with oxygen to form what?

Answer 1

Explanation:

when ethanol is exposed to air over long periods of time, the oxygen that is present in air will react with it to produce ethanoic acid and water. This exact reaction is the reason why wine goes sour when left in open air for long periods of time.

Answer 2

Answer:

Explanation:

when you leave wine exposed to air< the ethanol in it reacts with oxygen to form acetic acid-CH₃COOH