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JEE MAIN - Chemistry (2017 - 8th April Morning Slot - No. 6)

A solution containing a group-IV cation gives a precipitate on passing H2S. 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 :
Co2+
Ni2+
Mn2+
Zn2+

Explanation

Solution containing Zn2+ ions forms white precipitate on reaction with H2S gas.

JEE Main 2017 (Online) 8th April Morning Slot Chemistry - Salt Analysis Question 26 English Explanation

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