About 5 g of a yellow coloured non-metallic solid (X) is taken and heated. It produces an irritating smelling gas (Y). The gas (Y) is collected in a Gas jar and is shaken well with a little water when colourless Sulphurous acid (Z) is formed. What is the solid (X) and the gas (Y)?
1
X = S2 & Y = SO3
2
X = P4 & Y = P2O5
3
X = S8 & Y = SO2
4
X = S4 & Y = SO3