JEE Main & Advanced
JEE Main Paper (Held On 8 April 2017)
question_answer
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 precipitate with basic potassium ferrocyanide. The cation is : [JEE Online 08-04-2017]