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Salt Analysis question

2007 · Shift 2 · Q5
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  5. /2007 · Shift 2 · Q5

Salt Analysis question

2007 · Shift 2 · Q5

JEE AdvancedChemistrySalt AnalysisMCQ+3 / −1
A solution of a metal ion when treated with KI gives a red precipitate which dissolves in excess KI to give a colourless solution. Moreover, the solution of metal ion treatment with a solution of cobalt (II) thiocyanate gives rise to a deep blue crystalline precipitate. The metal ion is:
  1. A
    Pb 2+{}^{2+}2+
  2. B
    Hg 2+{}^{2+}2+
  3. C
    Cu 2+{}^{2+}2+
  4. D
    Co 2+{}^{2+}2+
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