Chemistry · 2017
JEE Main · 8 April 2017, Shift 1 · Q50
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…
A solution containing a group-IV cation gives a precipitate on passing $\displaystyle \mathrm{H}_2 \mathrm{~S}$. 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 :
Official answer
(4)
$\displaystyle \mathrm{Zn}^{2+}$
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JEE Main 2017 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.