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A solutionf of a metal ion when treated ...

A solutionf 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 on treatment with a solution of cobalt (II) thiocyanate gives rise to a deep-blue crystalline precipitate. The metal ions is

A

`Pb^(2+)`

B

`Hg^(2+)`

C

`Cu^(2+)`

D

`Co^(2+)`

Text Solution

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The correct Answer is:
B
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