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1. |
A solution of metal ion when treated with KI, gives a red precipitate that dissolves in excess of KI to give a colorless solution. Moreover, the solution of metal ion on treatment with a solution of cobalt (II) thiocyanate gives rise to a deep blue crystalline precipitate. The metal ion is |
A. | \[P{{b}^{2+}}\] |
B. | \[H{{g}^{2+}}\] |
C. | \[C{{u}^{2+}}\] |
D. | \[C{{o}^{2+}}\] |
Answer» C. \[C{{u}^{2+}}\] | |