MHT CET · Chemistry · p Block Elements (Group 15, 16, 17 & 18)
Which among the following is NOT the use of \(\mathrm{SO}_2\) gas?
- A As a preservative
- B In manufacture of \(\mathrm{H}_2 \mathrm{SO}_4\)
- C With conc. \(\mathrm{H}_2 \mathrm{SO}_4\) it forms oleum
- D As an antichlor
Answer & Solution
Correct Answer
(C) With conc. \(\mathrm{H}_2 \mathrm{SO}_4\) it forms oleum
Step-by-step Solution
Detailed explanation
Sulfur dioxide has the chemical composition of \(\mathrm{SO}_2\) and is also commonly referred to as sulfurous acid anhydride, sulfurous anhydride, or sulfur oxide.
Uses of Sulphur Dioxide
In the food industries, as a food preservative.
It acts as a bleaching agent to remove the excess chlorine and as a disinfectant.
In cold storage plant, it acts as a refrigerant. It is used as a reagent and a solvent in the laboratory.
In the preparation of sulfuric acid, sulfur trioxide, and sulfites \(\mathrm{SO}_3\) forms oleum with \(\mathrm{H}_2 \mathrm{SO}_4\)
Uses of Sulphur Dioxide
In the food industries, as a food preservative.
It acts as a bleaching agent to remove the excess chlorine and as a disinfectant.
In cold storage plant, it acts as a refrigerant. It is used as a reagent and a solvent in the laboratory.
In the preparation of sulfuric acid, sulfur trioxide, and sulfites \(\mathrm{SO}_3\) forms oleum with \(\mathrm{H}_2 \mathrm{SO}_4\)
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