Question

A certain compound (X) when treated with
copper sulphate solution yields a brown
precipitate. On adding hypo solution, the
precipitate turns white. The compound is
(a) K₂CO₃ (b) KI
(c) KBr (d) K₃PO₄

Answer 1

Answer:

but two options is hide bro......I hope.......

Answer 2

(b) KI

Explanation:

KI when treated with copper sulphate solution yields a brown precipitate which is Potassium Sulphate. On adding hypo solution (Na2S2O3), the precipitate turns white. The white precipitate is Sodium Iodide (NaI).  

Option B is the answer.