Nitrogen dioxide and sulfur dioxide have some properties in common. Which property is shown by one of these compounds, but not by the other?
is soluble in water.
is used as a food-preservative.
forms 'acid-rain'
is a reducing agent.
SO2 is used in the manufacture of sodium bisulfate (NaHSO3) which is used as a preservative for jams, jellies, and squashes. Suphur dioxide has anti-microbial and antioxidant properties and inhibits the spoilage of food.
NO2 is not used as a food preservative.
the correct answer is option 2.