An element ‘A’ exist as a yellow solid in standard stae. It forms a voilet hydride ‘B’ which is a foul smelling gas and is extensively used in qualitative analysis of salts. When reated with oxygen. ‘B’ forms an oxide ‘C’ which is a colourless and pungent smelling gas. The gas when passed through acidified kMnO_(4) solution, decolourises it, ‘C’ gets oxidised to another oxide ‘D’ in the presence of heterogenous catalyst. Identifier A, B, C, D and also give the chemical equation of reaction ‘C’ with acidified KmnO_(4) solution and for conversion of ‘C’ into ‘D’.

An element ‘A’ exist as a yellow solid in standard stae. It forms

1.	An element ‘A’ exist as a yellow solid in standard stae. It forms a voilet hydride ‘B’ which is a foul smelling gas and is extensively used in qualitative analysis of salts. When reated with oxygen. ‘B’ forms an oxide ‘C’ which is a colourless and pungent smelling gas. The gas when passed through acidified kMnO_(4) solution, decolourises it, ‘C’ gets oxidised to another oxide ‘D’ in the presence of heterogenous catalyst. Identifier A, B, C, D and also give the chemical equation of reaction ‘C’ with acidified KmnO_(4) solution and for conversion of ‘C’ into ‘D’.
Answer» Solution :`underset(("A"))(S_(8)(s))+8H_(2)(g)overset("heat")rarrunderset(("B"))(8H_(2)S(g))` `underset(("B"))(2H_(2)S(g))+3O_(2)(g)overset(Delta)rarrunderset(("C"))(2SO_(2))(g)+2H_(2)O(g)` `underset(("C"))(2SO_(2))(g)+O_(2)(g)overset("Pt.")rarrunderset(("D"))(2SO_(3))(g)` OVERALL : `underset(("voilet"))(2KMnO_(4))+5SO_(2)+2H_(2)Orarrunderset(("colourless"))(K_(2)SO_(4))+underset(("colourless"))(2MnSO_(4))+2H_(2)SO_(4)`