QNEET-2013-Ch-1480: NEET 2013 Chemistry - Class 12 NEET-2013-Ch-1480 Solution: Roasting of sulphides gives the gas X as a byproduct. This is a …

Roasting of sulphides gives the gas X as a byproduct. This is a colourless 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 $CO_2$ $SO_3$ $H_2S$ $SO_2$