A particulate-level diagram of a reaction mixture is described as follows

CHEMISTRY · Single correct · AP · Chemistry · Chemical Reactions · Chemical Reactions

Problem

A particulate-level diagram of a reaction mixture is described as follows. • Reactants: Separate blue spheres (Ag⁺) and green spheres (NO₃⁻) are dispersed in water. A second solution contains white spheres (Mg²⁺) and black spheres (Cl⁻) that are also completely separated from one another. • Products: Numerous clusters composed of one blue sphere in contact with one black sphere form a solid lattice, while the white and green spheres remain free and evenly dispersed in solution. Which balanced molecular equation best represents the process illustrated? (a) AgNO3(aq)+MgCl2(aq)→AgCl(s)+Mg(NO3)2(aq)\text{AgNO}_{3}(aq)+\text{MgCl}_{2}(aq)\rightarrow\text{AgCl}(s)+\text{Mg(NO}_{3})_{2}(aq) (b) Ag+(aq)+Cl−(aq)→AgCl(s)\text{Ag}^{+}(aq)+\text{Cl}^{-}(aq)\rightarrow\text{AgCl}(s) (c) 2 AgNO3(aq)+MgCl2(aq)→2 AgCl(s)+Mg(NO3)2(aq)2\,\text{AgNO}_{3}(aq)+\text{MgCl}_{2}(aq)\rightarrow2\,\text{AgCl}(s)+\text{Mg(NO}_{3})_{2}(aq) (d) 2 AgNO3(aq)+MgCl2(aq)→2 AgCl(s)+MgNO3(aq)2\,\text{AgNO}_{3}(aq)+\text{MgCl}_{2}(aq)\rightarrow2\,\text{AgCl}(s)+\text{MgNO}_{3}(aq)

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