The chemical equation that would generate the equilibrium expression is ________.(Assume all substances are gases in this reaction.)

Question

Quizplus · Accepted Answer

The equilibrium expression is obtained by writing the product of the concentrations of the products raised to their stoichiometric coefficient divided by the product of the concentrations of the reactants raised to their stoichiometric coefficients. Looking at the options, only option B matches this requirement for gas-phase reaction,

3A ⇌ 2B + C

The equilibrium expression for this reaction would be:

Kc = ( [B]²[C] ) / [A]³

The Chemical Equation That Would Generate the Equilibrium Expression Is