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A solution of a metal ion when treated w...

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

A

`Pb^(2+)`

B

`Hg^(2+)`

C

`Cu^(2+)`

D

`Co^(2+)`

Text Solution

Verified by Experts

The correct Answer is:
B
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