1.

A solution containing a group-IV cation gives a precipitate on passing, H_(2)S. A solution of this precipitate in dil. HCl produces a white precipitate with NaOH solution and bluish-white prcipitate with basic potassium ferrocyanide. The cation is :

Answer»

`MN^(2+)`
`ZN^(2+)`
`NI^(2+)`
`Co^(2+)`

Answer :B


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