JEE Advanced 2019 Paper 1

Section: Chemistry

Question : 31 of 54

Marks: +1, -0

For the following reaction, the equilibrium constant Kc at 298K is 1.6×1017 Fe+2(aq)+S2−(aq)⇌FeS(s)
When equal volumes of 0.06M‌Fe+2(aq) and 0.2M‌‌S2−(aq) solutions are mixed, the equilibrium concentration of Fe2+ is found to be Y×10−17M is

[JEE Adv 2019 P1]

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