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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
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A certain compound (X) when treated with copper sulphate solution yiel...
Copper sulphate reacts with potassium iodide to form cuprous iodide and iodine. The formation of iodine gives brown colour. When Iodine reacts with hypo (Na2S2O3.5H2O) solution, decolourisaiton of solution shows the appearance of white precipitate. So, option b is correct.
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A certain compound (X) when treated with copper sulphate solution yields a brown precipitate. On adding hypo solution, the precipitate turns white. The compound isa)K2CO3b)KIc)KBrd)K3PO4Correct answer is option 'B'. Can you explain this answer?
Question Description
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