MCQs on Equilibrium State Equimolar solutions of the following compounds are prepared separately in water. Which will have the lowest pH value? BeCl2 SrCl2 CaCl2 MgCl2 Answer: (a) Addition of which chemical will decrease the hydrogen ion concentration of an acetic acid solution? NH4Cl Al2(SO4)3 AgNO3 NaCN Answer: (d) In …