Question
Chemistry Question on sulphur
Roasting of sulphides gives the gas X as a by-product. This is a colorless gas with choking smell of burnt sulphur and causes great damage to respiratory organs as a result of acid rain. Its aqueous solution is acidic acts as a reducing agent and its acid has never been isolated. The gas X is
A
H2S
B
SO2
C
CO2
D
SO3
Answer
SO2
Explanation
Solution
The correct option is (B): SO2.