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Sahay Sir > Question Answers > JEE Adv and Mains Chemistry 41 Years Solved Video Solutions 1979 - 2019 > Chemistry > Chapter 7 - Equilibrium > An aqueous solution contains 0.10 M H2 S and 0.20 M HCl . If the equilibrium constants for the formation of HS− from H2S is 1.0×10^−7 and that of S2− from HS− ions is 1.2×10^−13 then the concentration of S2− ions in aqueous solution is

An aqueous solution contains 0.10 M H2 S and 0.20 M HCl . If the equilibrium constants for the formation of HS− from H2S is 1.0×10^−7 and that of S2− from HS− ions is 1.2×10^−13 then the concentration of S2− ions in aqueous solution is

Two solids dissociate as follows A(s)↽−−⇀B(g) + C(g);Kp1 = x atm^2 D(s)↽−−⇀C(g) + E(g);Kp2 = y atm^2 The total pressure when both the solids dissociate simultaneously is :-