A sulphide ore `(A)` on roasting leaves a residue `(B)`. `(B)` on heating with chlorine gives `(C )
Channel: Doubtnut
Date: 2020-02-17

A sulphide ore `(A)` on roasting leaves a residue `(B)`. `(B)` on heating with chlorine gives `(C )`, sulphide in water, addition of excess potassium iodide to a solution of `(C )` gives a solution `(D)` A brown precipitate `(E)` is formed when a solution of ammonium sulphate is added to an alkaline a solution of `(D)`. Identify `(A)` to `(E)`.