A certain compound `(X)` when treated with copper sulphate solution yields a brown precipitate. On adding hypo solution the prec

Correct Answer - B
`4KI+2CuSO_4tounderset("White ppt.")(2K_2SO_4)+Cu_2I_2+underset("Brown colour in solution")(I_2)`
`I_2+underset("Hypo")(2Na_2S_2O_3)tounderset(ubrace("Sod. tetrathioate")_("Colourless"))(Na_2S_4O_6+2NaI)`

A certain compound `(X)` when treated with copper sulphate solution yields a brown precipitate. On adding hypo solution the precipitate turns white. T

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